31446400

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 96

約数和(自身を含む): 80441280

約数和(自身を除く): 48994880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 317, 320, 400, 496, 620, 634, 640, 775, 800, 992, 1240, 1268, 1550, 1585, 1600, 1984, 2480, 2536, 3100, 3170, 3200, 3968, 4960, 5072, 6200, 6340, 7925, 9827, 9920, 10144, 12400, 12680, 15850, 19654, 19840, 20288, 24800, 25360, 31700, 39308, 40576, 49135, 49600, 50720, 63400, 78616, 98270, 99200, 101440, 126800, 157232, 196540, 202880, 245675, 253600, 314464, 393080, 491350, 507200, 628928, 786160, 982700, 1014400, 1257856, 1572320, 1965400, 3144640, 3930800, 6289280, 7861600, 15723200, 31446400]

約数ペア:

[(1, 31446400), (2, 15723200), (4, 7861600), (5, 6289280), (8, 3930800), (10, 3144640), (16, 1965400), (20, 1572320), (25, 1257856), (31, 1014400), (32, 982700), (40, 786160), (50, 628928), (62, 507200), (64, 491350), (80, 393080), (100, 314464), (124, 253600), (128, 245675), (155, 202880), (160, 196540), (200, 157232), (248, 126800), (310, 101440), (317, 99200), (320, 98270), (400, 78616), (496, 63400), (620, 50720), (634, 49600), (640, 49135), (775, 40576), (800, 39308), (992, 31700), (1240, 25360), (1268, 24800), (1550, 20288), (1585, 19840), (1600, 19654), (1984, 15850), (2480, 12680), (2536, 12400), (3100, 10144), (3170, 9920), (3200, 9827), (3968, 7925), (4960, 6340), (5072, 6200)]