40212975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 73566720

約数和(自身を除く): 33353745

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 79, 165, 237, 275, 395, 617, 825, 869, 1185, 1851, 1975, 2607, 3085, 4345, 5925, 6787, 9255, 13035, 15425, 20361, 21725, 33935, 46275, 48743, 65175, 101805, 146229, 169675, 243715, 509025, 536173, 731145, 1218575, 1608519, 2680865, 3655725, 8042595, 13404325, 40212975]

約数ペア:

[(1, 40212975), (3, 13404325), (5, 8042595), (11, 3655725), (15, 2680865), (25, 1608519), (33, 1218575), (55, 731145), (75, 536173), (79, 509025), (165, 243715), (237, 169675), (275, 146229), (395, 101805), (617, 65175), (825, 48743), (869, 46275), (1185, 33935), (1851, 21725), (1975, 20361), (2607, 15425), (3085, 13035), (4345, 9255), (5925, 6787)]