40986464

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 84510720

約数和(自身を除く): 43524256

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 124, 158, 248, 316, 496, 523, 632, 992, 1046, 1264, 2092, 2449, 2528, 4184, 4898, 8368, 9796, 16213, 16736, 19592, 32426, 39184, 41317, 64852, 78368, 82634, 129704, 165268, 259408, 330536, 518816, 661072, 1280827, 1322144, 2561654, 5123308, 10246616, 20493232, 40986464]

約数ペア:

[(1, 40986464), (2, 20493232), (4, 10246616), (8, 5123308), (16, 2561654), (31, 1322144), (32, 1280827), (62, 661072), (79, 518816), (124, 330536), (158, 259408), (248, 165268), (316, 129704), (496, 82634), (523, 78368), (632, 64852), (992, 41317), (1046, 39184), (1264, 32426), (2092, 19592), (2449, 16736), (2528, 16213), (4184, 9796), (4898, 8368)]