31996000

素因数分解:

$2^5\times 5^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 96

約数和(自身を含む): 82948320

約数和(自身を除く): 50952320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 380, 400, 421, 475, 500, 608, 760, 800, 842, 950, 1000, 1520, 1684, 1900, 2000, 2105, 2375, 3040, 3368, 3800, 4000, 4210, 4750, 6736, 7600, 7999, 8420, 9500, 10525, 13472, 15200, 15998, 16840, 19000, 21050, 31996, 33680, 38000, 39995, 42100, 52625, 63992, 67360, 76000, 79990, 84200, 105250, 127984, 159980, 168400, 199975, 210500, 255968, 319960, 336800, 399950, 421000, 639920, 799900, 842000, 999875, 1279840, 1599800, 1684000, 1999750, 3199600, 3999500, 6399200, 7999000, 15998000, 31996000]

約数ペア:

[(1, 31996000), (2, 15998000), (4, 7999000), (5, 6399200), (8, 3999500), (10, 3199600), (16, 1999750), (19, 1684000), (20, 1599800), (25, 1279840), (32, 999875), (38, 842000), (40, 799900), (50, 639920), (76, 421000), (80, 399950), (95, 336800), (100, 319960), (125, 255968), (152, 210500), (160, 199975), (190, 168400), (200, 159980), (250, 127984), (304, 105250), (380, 84200), (400, 79990), (421, 76000), (475, 67360), (500, 63992), (608, 52625), (760, 42100), (800, 39995), (842, 38000), (950, 33680), (1000, 31996), (1520, 21050), (1684, 19000), (1900, 16840), (2000, 15998), (2105, 15200), (2375, 13472), (3040, 10525), (3368, 9500), (3800, 8420), (4000, 7999), (4210, 7600), (4750, 6736)]