31968800

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:558

約数の個数: 72

約数和(自身を含む): 79096500

約数和(自身を除く): 47127700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 356, 400, 445, 449, 712, 800, 890, 898, 1424, 1780, 1796, 2225, 2245, 2848, 3560, 3592, 4450, 4490, 7120, 7184, 8900, 8980, 11225, 14240, 14368, 17800, 17960, 22450, 35600, 35920, 39961, 44900, 71200, 71840, 79922, 89800, 159844, 179600, 199805, 319688, 359200, 399610, 639376, 799220, 999025, 1278752, 1598440, 1998050, 3196880, 3996100, 6393760, 7992200, 15984400, 31968800]

約数ペア:

[(1, 31968800), (2, 15984400), (4, 7992200), (5, 6393760), (8, 3996100), (10, 3196880), (16, 1998050), (20, 1598440), (25, 1278752), (32, 999025), (40, 799220), (50, 639376), (80, 399610), (89, 359200), (100, 319688), (160, 199805), (178, 179600), (200, 159844), (356, 89800), (400, 79922), (445, 71840), (449, 71200), (712, 44900), (800, 39961), (890, 35920), (898, 35600), (1424, 22450), (1780, 17960), (1796, 17800), (2225, 14368), (2245, 14240), (2848, 11225), (3560, 8980), (3592, 8900), (4450, 7184), (4490, 7120)]