71373250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21991

約数の個数: 32

約数和(自身を含む): 143895024

約数和(自身を除く): 72521774

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21961, 43922, 109805, 219610, 285493, 549025, 570986, 1098050, 1427465, 2745125, 2854930, 5490250, 7137325, 14274650, 35686625, 71373250]

約数ペア:

[(1, 71373250), (2, 35686625), (5, 14274650), (10, 7137325), (13, 5490250), (25, 2854930), (26, 2745125), (50, 1427465), (65, 1098050), (125, 570986), (130, 549025), (250, 285493), (325, 219610), (650, 109805), (1625, 43922), (3250, 21961)]