71638520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57773}}^1$

素因数の和:57815

約数の個数: 32

約数和(自身を含む): 166389120

約数和(自身を除く): 94750600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57773, 115546, 231092, 288865, 462184, 577730, 1155460, 1790963, 2310920, 3581926, 7163852, 8954815, 14327704, 17909630, 35819260, 71638520]

約数ペア:

[(1, 71638520), (2, 35819260), (4, 17909630), (5, 14327704), (8, 8954815), (10, 7163852), (20, 3581926), (31, 2310920), (40, 1790963), (62, 1155460), (124, 577730), (155, 462184), (248, 288865), (310, 231092), (620, 115546), (1240, 57773)]