8466250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:556

約数の個数: 40

約数和(自身を含む): 17122644

約数和(自身を除く): 8656394

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 521, 625, 650, 1042, 1250, 1625, 2605, 3250, 5210, 6773, 8125, 13025, 13546, 16250, 26050, 33865, 65125, 67730, 130250, 169325, 325625, 338650, 651250, 846625, 1693250, 4233125, 8466250]

約数ペア:

[(1, 8466250), (2, 4233125), (5, 1693250), (10, 846625), (13, 651250), (25, 338650), (26, 325625), (50, 169325), (65, 130250), (125, 67730), (130, 65125), (250, 33865), (325, 26050), (521, 16250), (625, 13546), (650, 13025), (1042, 8125), (1250, 6773), (1625, 5210), (2605, 3250)]