1036991920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2311}}^1$

素因数の和:2474

約数の個数: 80

約数和(自身を含む): 2476984320

約数和(自身を除く): 1439992400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 79, 80, 142, 158, 284, 316, 355, 395, 568, 632, 710, 790, 1136, 1264, 1420, 1580, 2311, 2840, 3160, 4622, 5609, 5680, 6320, 9244, 11218, 11555, 18488, 22436, 23110, 28045, 36976, 44872, 46220, 56090, 89744, 92440, 112180, 164081, 182569, 184880, 224360, 328162, 365138, 448720, 656324, 730276, 820405, 912845, 1312648, 1460552, 1640810, 1825690, 2625296, 2921104, 3281620, 3651380, 6563240, 7302760, 12962399, 13126480, 14605520, 25924798, 51849596, 64811995, 103699192, 129623990, 207398384, 259247980, 518495960, 1036991920]

約数ペア:

[(1, 1036991920), (2, 518495960), (4, 259247980), (5, 207398384), (8, 129623990), (10, 103699192), (16, 64811995), (20, 51849596), (40, 25924798), (71, 14605520), (79, 13126480), (80, 12962399), (142, 7302760), (158, 6563240), (284, 3651380), (316, 3281620), (355, 2921104), (395, 2625296), (568, 1825690), (632, 1640810), (710, 1460552), (790, 1312648), (1136, 912845), (1264, 820405), (1420, 730276), (1580, 656324), (2311, 448720), (2840, 365138), (3160, 328162), (4622, 224360), (5609, 184880), (5680, 182569), (6320, 164081), (9244, 112180), (11218, 92440), (11555, 89744), (18488, 56090), (22436, 46220), (23110, 44872), (28045, 36976)]