1640548096

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20089}}^1$

素因数の和:20145

約数の個数: 72

約数和(自身を含む): 3695756400

約数和(自身を除く): 2055208304

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 32, 44, 58, 64, 88, 116, 128, 176, 232, 256, 319, 352, 464, 638, 704, 928, 1276, 1408, 1856, 2552, 2816, 3712, 5104, 7424, 10208, 20089, 20416, 40178, 40832, 80356, 81664, 160712, 220979, 321424, 441958, 582581, 642848, 883916, 1165162, 1285696, 1767832, 2330324, 2571392, 3535664, 4660648, 5142784, 6408391, 7071328, 9321296, 12816782, 14142656, 18642592, 25633564, 28285312, 37285184, 51267128, 56570624, 74570368, 102534256, 149140736, 205068512, 410137024, 820274048, 1640548096]

約数ペア:

[(1, 1640548096), (2, 820274048), (4, 410137024), (8, 205068512), (11, 149140736), (16, 102534256), (22, 74570368), (29, 56570624), (32, 51267128), (44, 37285184), (58, 28285312), (64, 25633564), (88, 18642592), (116, 14142656), (128, 12816782), (176, 9321296), (232, 7071328), (256, 6408391), (319, 5142784), (352, 4660648), (464, 3535664), (638, 2571392), (704, 2330324), (928, 1767832), (1276, 1285696), (1408, 1165162), (1856, 883916), (2552, 642848), (2816, 582581), (3712, 441958), (5104, 321424), (7424, 220979), (10208, 160712), (20089, 81664), (20416, 80356), (40178, 40832)]