72552005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 100794240

約数和(自身を除く): 28242235

約数列:

[1, 5, 17, 23, 37, 59, 85, 115, 185, 289, 295, 391, 629, 851, 1003, 1357, 1445, 1955, 2183, 3145, 4255, 5015, 6647, 6785, 10693, 10915, 14467, 17051, 23069, 33235, 37111, 50209, 53465, 72335, 85255, 115345, 185555, 245939, 251045, 392173, 630887, 853553, 1229695, 1960865, 3154435, 4267765, 14510401, 72552005]

約数ペア:

[(1, 72552005), (5, 14510401), (17, 4267765), (23, 3154435), (37, 1960865), (59, 1229695), (85, 853553), (115, 630887), (185, 392173), (289, 251045), (295, 245939), (391, 185555), (629, 115345), (851, 85255), (1003, 72335), (1357, 53465), (1445, 50209), (1955, 37111), (2183, 33235), (3145, 23069), (4255, 17051), (5015, 14467), (6647, 10915), (6785, 10693)]