42645520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31357}}^1$

素因数の和:31387

約数の個数: 40

約数和(自身を含む): 104986584

約数和(自身を除く): 62341064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 31357, 62714, 125428, 156785, 250856, 313570, 501712, 533069, 627140, 1066138, 1254280, 2132276, 2508560, 2665345, 4264552, 5330690, 8529104, 10661380, 21322760, 42645520]

約数ペア:

[(1, 42645520), (2, 21322760), (4, 10661380), (5, 8529104), (8, 5330690), (10, 4264552), (16, 2665345), (17, 2508560), (20, 2132276), (34, 1254280), (40, 1066138), (68, 627140), (80, 533069), (85, 501712), (136, 313570), (170, 250856), (272, 156785), (340, 125428), (680, 62714), (1360, 31357)]