400152064

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:871

約数の個数: 80

約数和(自身を含む): 873069120

約数和(自身を除く): 472917056

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 256, 316, 416, 512, 632, 761, 832, 1027, 1264, 1522, 1664, 2054, 2528, 3044, 3328, 4108, 5056, 6088, 6656, 8216, 9893, 10112, 12176, 16432, 19786, 20224, 24352, 32864, 39572, 40448, 48704, 60119, 65728, 79144, 97408, 120238, 131456, 158288, 194816, 240476, 262912, 316576, 389632, 480952, 525824, 633152, 781547, 961904, 1266304, 1563094, 1923808, 2532608, 3126188, 3847616, 5065216, 6252376, 7695232, 12504752, 15390464, 25009504, 30780928, 50019008, 100038016, 200076032, 400152064]

約数ペア:

[(1, 400152064), (2, 200076032), (4, 100038016), (8, 50019008), (13, 30780928), (16, 25009504), (26, 15390464), (32, 12504752), (52, 7695232), (64, 6252376), (79, 5065216), (104, 3847616), (128, 3126188), (158, 2532608), (208, 1923808), (256, 1563094), (316, 1266304), (416, 961904), (512, 781547), (632, 633152), (761, 525824), (832, 480952), (1027, 389632), (1264, 316576), (1522, 262912), (1664, 240476), (2054, 194816), (2528, 158288), (3044, 131456), (3328, 120238), (4108, 97408), (5056, 79144), (6088, 65728), (6656, 60119), (8216, 48704), (9893, 40448), (10112, 39572), (12176, 32864), (16432, 24352), (19786, 20224)]