71920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 40

約数和(自身を含む): 178560

約数和(自身を除く): 106640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 3596, 4495, 7192, 8990, 14384, 17980, 35960, 71920]

約数ペア:

[(1, 71920), (2, 35960), (4, 17980), (5, 14384), (8, 8990), (10, 7192), (16, 4495), (20, 3596), (29, 2480), (31, 2320), (40, 1798), (58, 1240), (62, 1160), (80, 899), (116, 620), (124, 580), (145, 496), (155, 464), (232, 310), (248, 290)]