72702440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58631}}^1$

素因数の和:58673

約数の個数: 32

約数和(自身を含む): 168860160

約数和(自身を除く): 96157720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 58631, 117262, 234524, 293155, 469048, 586310, 1172620, 1817561, 2345240, 3635122, 7270244, 9087805, 14540488, 18175610, 36351220, 72702440]

約数ペア:

[(1, 72702440), (2, 36351220), (4, 18175610), (5, 14540488), (8, 9087805), (10, 7270244), (20, 3635122), (31, 2345240), (40, 1817561), (62, 1172620), (124, 586310), (155, 469048), (248, 293155), (310, 234524), (620, 117262), (1240, 58631)]