71873750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{4423}}^1$

素因数の和:4458

約数の個数: 40

約数和(自身を含む): 145116048

約数和(自身を除く): 73242298

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 4423, 8125, 8846, 16250, 22115, 44230, 57499, 110575, 114998, 221150, 287495, 552875, 574990, 1105750, 1437475, 2764375, 2874950, 5528750, 7187375, 14374750, 35936875, 71873750]

約数ペア:

[(1, 71873750), (2, 35936875), (5, 14374750), (10, 7187375), (13, 5528750), (25, 2874950), (26, 2764375), (50, 1437475), (65, 1105750), (125, 574990), (130, 552875), (250, 287495), (325, 221150), (625, 114998), (650, 110575), (1250, 57499), (1625, 44230), (3250, 22115), (4423, 16250), (8125, 8846)]