71041750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{21859}}^1$

素因数の和:21889

約数の個数: 32

約数和(自身を含む): 143226720

約数和(自身を除く): 72184970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 21859, 43718, 109295, 218590, 284167, 546475, 568334, 1092950, 1420835, 2732375, 2841670, 5464750, 7104175, 14208350, 35520875, 71041750]

約数ペア:

[(1, 71041750), (2, 35520875), (5, 14208350), (10, 7104175), (13, 5464750), (25, 2841670), (26, 2732375), (50, 1420835), (65, 1092950), (125, 568334), (130, 546475), (250, 284167), (325, 218590), (650, 109295), (1625, 43718), (3250, 21859)]