625888975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{21601}}^1$

素因数の和:21691

約数の個数: 24

約数和(自身を含む): 830380880

約数和(自身を除く): 204491905

約数列:

[1, 5, 19, 25, 61, 95, 305, 475, 1159, 1525, 5795, 21601, 28975, 108005, 410419, 540025, 1317661, 2052095, 6588305, 10260475, 25035559, 32941525, 125177795, 625888975]

約数ペア:

[(1, 625888975), (5, 125177795), (19, 32941525), (25, 25035559), (61, 10260475), (95, 6588305), (305, 2052095), (475, 1317661), (1159, 540025), (1525, 410419), (5795, 108005), (21601, 28975)]