19318718080

素因数分解:

$2^7\times 5^1\times {\mathrm{887}}^1\times {\mathrm{34031}}^1$

素因数の和:34937

約数の個数: 64

約数和(自身を含む): 46237236480

約数和(自身を除く): 26918518400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 887, 1774, 3548, 4435, 7096, 8870, 14192, 17740, 28384, 34031, 35480, 56768, 68062, 70960, 113536, 136124, 141920, 170155, 272248, 283840, 340310, 544496, 567680, 680620, 1088992, 1361240, 2177984, 2722480, 4355968, 5444960, 10889920, 21779840, 30185497, 60370994, 120741988, 150927485, 241483976, 301854970, 482967952, 603709940, 965935904, 1207419880, 1931871808, 2414839760, 3863743616, 4829679520, 9659359040, 19318718080]

約数ペア:

[(1, 19318718080), (2, 9659359040), (4, 4829679520), (5, 3863743616), (8, 2414839760), (10, 1931871808), (16, 1207419880), (20, 965935904), (32, 603709940), (40, 482967952), (64, 301854970), (80, 241483976), (128, 150927485), (160, 120741988), (320, 60370994), (640, 30185497), (887, 21779840), (1774, 10889920), (3548, 5444960), (4435, 4355968), (7096, 2722480), (8870, 2177984), (14192, 1361240), (17740, 1088992), (28384, 680620), (34031, 567680), (35480, 544496), (56768, 340310), (68062, 283840), (70960, 272248), (113536, 170155), (136124, 141920)]