65240620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 141992928

約数和(自身を除く): 76752308

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 673, 740, 1310, 1346, 2620, 2692, 3365, 4847, 6730, 9694, 13460, 19388, 24235, 24901, 48470, 49802, 88163, 96940, 99604, 124505, 176326, 249010, 352652, 440815, 498020, 881630, 1763260, 3262031, 6524062, 13048124, 16310155, 32620310, 65240620]

約数ペア:

[(1, 65240620), (2, 32620310), (4, 16310155), (5, 13048124), (10, 6524062), (20, 3262031), (37, 1763260), (74, 881630), (131, 498020), (148, 440815), (185, 352652), (262, 249010), (370, 176326), (524, 124505), (655, 99604), (673, 96940), (740, 88163), (1310, 49802), (1346, 48470), (2620, 24901), (2692, 24235), (3365, 19388), (4847, 13460), (6730, 9694)]