2636240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1107

約数の個数: 40

約数和(自身を含む): 6332928

約数和(自身を除く): 3696688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1063, 1240, 2126, 2480, 4252, 5315, 8504, 10630, 17008, 21260, 32953, 42520, 65906, 85040, 131812, 164765, 263624, 329530, 527248, 659060, 1318120, 2636240]

約数ペア:

[(1, 2636240), (2, 1318120), (4, 659060), (5, 527248), (8, 329530), (10, 263624), (16, 164765), (20, 131812), (31, 85040), (40, 65906), (62, 42520), (80, 32953), (124, 21260), (155, 17008), (248, 10630), (310, 8504), (496, 5315), (620, 4252), (1063, 2480), (1240, 2126)]