71380760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162229}}^1$

素因数の和:162251

約数の個数: 32

約数和(自身を含む): 175208400

約数和(自身を除く): 103827640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162229, 324458, 648916, 811145, 1297832, 1622290, 1784519, 3244580, 3569038, 6489160, 7138076, 8922595, 14276152, 17845190, 35690380, 71380760]

約数ペア:

[(1, 71380760), (2, 35690380), (4, 17845190), (5, 14276152), (8, 8922595), (10, 7138076), (11, 6489160), (20, 3569038), (22, 3244580), (40, 1784519), (44, 1622290), (55, 1297832), (88, 811145), (110, 648916), (220, 324458), (440, 162229)]