1640891008

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 3532953600

約数和(自身を除く): 1892062592

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 59, 62, 64, 86, 118, 124, 128, 163, 172, 236, 248, 326, 344, 472, 496, 652, 688, 944, 992, 1304, 1333, 1376, 1829, 1888, 1984, 2537, 2608, 2666, 2752, 3658, 3776, 3968, 5053, 5074, 5216, 5332, 5504, 7009, 7316, 7552, 9617, 10106, 10148, 10432, 10664, 14018, 14632, 19234, 20212, 20296, 20864, 21328, 28036, 29264, 38468, 40424, 40592, 42656, 56072, 58528, 76936, 78647, 80848, 81184, 85312, 112144, 117056, 153872, 157294, 161696, 162368, 170624, 217279, 224288, 234112, 298127, 307744, 314588, 323392, 324736, 413531, 434558, 448576, 596254, 615488, 629176, 646784, 827062, 869116, 897152, 1192508, 1230976, 1258352, 1654124, 1738232, 2385016, 2516704, 3308248, 3476464, 4770032, 5033408, 6616496, 6952928, 9540064, 10066816, 12819461, 13232992, 13905856, 19080128, 25638922, 26465984, 27811712, 38160256, 51277844, 52931968, 102555688, 205111376, 410222752, 820445504, 1640891008]

約数ペア:

[(1, 1640891008), (2, 820445504), (4, 410222752), (8, 205111376), (16, 102555688), (31, 52931968), (32, 51277844), (43, 38160256), (59, 27811712), (62, 26465984), (64, 25638922), (86, 19080128), (118, 13905856), (124, 13232992), (128, 12819461), (163, 10066816), (172, 9540064), (236, 6952928), (248, 6616496), (326, 5033408), (344, 4770032), (472, 3476464), (496, 3308248), (652, 2516704), (688, 2385016), (944, 1738232), (992, 1654124), (1304, 1258352), (1333, 1230976), (1376, 1192508), (1829, 897152), (1888, 869116), (1984, 827062), (2537, 646784), (2608, 629176), (2666, 615488), (2752, 596254), (3658, 448576), (3776, 434558), (3968, 413531), (5053, 324736), (5074, 323392), (5216, 314588), (5332, 307744), (5504, 298127), (7009, 234112), (7316, 224288), (7552, 217279), (9617, 170624), (10106, 162368), (10148, 161696), (10432, 157294), (10664, 153872), (14018, 117056), (14632, 112144), (19234, 85312), (20212, 81184), (20296, 80848), (20864, 78647), (21328, 76936), (28036, 58528), (29264, 56072), (38468, 42656), (40424, 40592)]