139368125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1059

約数の個数: 40

約数和(自身を含む): 198780120

約数和(自身を除く): 59411995

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 625, 1009, 1105, 1625, 2125, 5045, 5525, 8125, 10625, 13117, 17153, 25225, 27625, 65585, 85765, 126125, 138125, 222989, 327925, 428825, 630625, 1114945, 1639625, 2144125, 5574725, 8198125, 10720625, 27873625, 139368125]

約数ペア:

[(1, 139368125), (5, 27873625), (13, 10720625), (17, 8198125), (25, 5574725), (65, 2144125), (85, 1639625), (125, 1114945), (221, 630625), (325, 428825), (425, 327925), (625, 222989), (1009, 138125), (1105, 126125), (1625, 85765), (2125, 65585), (5045, 27625), (5525, 25225), (8125, 17153), (10625, 13117)]