71319950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{971}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 144272016

約数和(自身を除く): 72952066

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 113, 130, 226, 325, 565, 650, 971, 1130, 1469, 1942, 2825, 2938, 4855, 5650, 7345, 9710, 12623, 14690, 24275, 25246, 36725, 48550, 63115, 73450, 109723, 126230, 219446, 315575, 548615, 631150, 1097230, 1426399, 2743075, 2852798, 5486150, 7131995, 14263990, 35659975, 71319950]

約数ペア:

[(1, 71319950), (2, 35659975), (5, 14263990), (10, 7131995), (13, 5486150), (25, 2852798), (26, 2743075), (50, 1426399), (65, 1097230), (113, 631150), (130, 548615), (226, 315575), (325, 219446), (565, 126230), (650, 109723), (971, 73450), (1130, 63115), (1469, 48550), (1942, 36725), (2825, 25246), (2938, 24275), (4855, 14690), (5650, 12623), (7345, 9710)]