1989505600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{40111}}^1$

素因数の和:40164

約数の個数: 84

約数和(自身を含む): 5053470208

約数和(自身を除く): 3063964608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 155, 160, 200, 248, 310, 320, 400, 496, 620, 775, 800, 992, 1240, 1550, 1600, 1984, 2480, 3100, 4960, 6200, 9920, 12400, 24800, 40111, 49600, 80222, 160444, 200555, 320888, 401110, 641776, 802220, 1002775, 1243441, 1283552, 1604440, 2005550, 2486882, 2567104, 3208880, 4011100, 4973764, 6217205, 6417760, 8022200, 9947528, 12434410, 12835520, 16044400, 19895056, 24868820, 31086025, 32088800, 39790112, 49737640, 62172050, 64177600, 79580224, 99475280, 124344100, 198950560, 248688200, 397901120, 497376400, 994752800, 1989505600]

約数ペア:

[(1, 1989505600), (2, 994752800), (4, 497376400), (5, 397901120), (8, 248688200), (10, 198950560), (16, 124344100), (20, 99475280), (25, 79580224), (31, 64177600), (32, 62172050), (40, 49737640), (50, 39790112), (62, 32088800), (64, 31086025), (80, 24868820), (100, 19895056), (124, 16044400), (155, 12835520), (160, 12434410), (200, 9947528), (248, 8022200), (310, 6417760), (320, 6217205), (400, 4973764), (496, 4011100), (620, 3208880), (775, 2567104), (800, 2486882), (992, 2005550), (1240, 1604440), (1550, 1283552), (1600, 1243441), (1984, 1002775), (2480, 802220), (3100, 641776), (4960, 401110), (6200, 320888), (9920, 200555), (12400, 160444), (24800, 80222), (40111, 49600)]