39997920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3623}}^1$

素因数の和:3664

約数の個数: 96

約数和(自身を含む): 131507712

約数和(自身を除く): 91509792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 2208, 2760, 3623, 3680, 5520, 7246, 10869, 11040, 14492, 18115, 21738, 28984, 36230, 43476, 54345, 57968, 72460, 83329, 86952, 108690, 115936, 144920, 166658, 173904, 217380, 249987, 289840, 333316, 347808, 416645, 434760, 499974, 579680, 666632, 833290, 869520, 999948, 1249935, 1333264, 1666580, 1739040, 1999896, 2499870, 2666528, 3333160, 3999792, 4999740, 6666320, 7999584, 9999480, 13332640, 19998960, 39997920]

約数ペア:

[(1, 39997920), (2, 19998960), (3, 13332640), (4, 9999480), (5, 7999584), (6, 6666320), (8, 4999740), (10, 3999792), (12, 3333160), (15, 2666528), (16, 2499870), (20, 1999896), (23, 1739040), (24, 1666580), (30, 1333264), (32, 1249935), (40, 999948), (46, 869520), (48, 833290), (60, 666632), (69, 579680), (80, 499974), (92, 434760), (96, 416645), (115, 347808), (120, 333316), (138, 289840), (160, 249987), (184, 217380), (230, 173904), (240, 166658), (276, 144920), (345, 115936), (368, 108690), (460, 86952), (480, 83329), (552, 72460), (690, 57968), (736, 54345), (920, 43476), (1104, 36230), (1380, 28984), (1840, 21738), (2208, 18115), (2760, 14492), (3623, 11040), (3680, 10869), (5520, 7246)]