129684026840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1\times {\mathrm{131959}}^1$

素因数の和:132360

約数の個数: 64

約数和(自身を含む): 296434944000

約数和(自身を除く): 166750917160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 311, 316, 395, 622, 632, 790, 1244, 1555, 1580, 2488, 3110, 3160, 6220, 12440, 24569, 49138, 98276, 122845, 131959, 196552, 245690, 263918, 491380, 527836, 659795, 982760, 1055672, 1319590, 2639180, 5278360, 10424761, 20849522, 41039249, 41699044, 52123805, 82078498, 83398088, 104247610, 164156996, 205196245, 208495220, 328313992, 410392490, 416990440, 820784980, 1641569960, 3242100671, 6484201342, 12968402684, 16210503355, 25936805368, 32421006710, 64842013420, 129684026840]

約数ペア:

[(1, 129684026840), (2, 64842013420), (4, 32421006710), (5, 25936805368), (8, 16210503355), (10, 12968402684), (20, 6484201342), (40, 3242100671), (79, 1641569960), (158, 820784980), (311, 416990440), (316, 410392490), (395, 328313992), (622, 208495220), (632, 205196245), (790, 164156996), (1244, 104247610), (1555, 83398088), (1580, 82078498), (2488, 52123805), (3110, 41699044), (3160, 41039249), (6220, 20849522), (12440, 10424761), (24569, 5278360), (49138, 2639180), (98276, 1319590), (122845, 1055672), (131959, 982760), (196552, 659795), (245690, 527836), (263918, 491380)]