31118750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 31877218

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 383, 625, 650, 766, 1250, 1625, 1915, 3125, 3250, 3830, 4979, 6250, 8125, 9575, 9958, 16250, 19150, 24895, 40625, 47875, 49790, 81250, 95750, 124475, 239375, 248950, 478750, 622375, 1196875, 1244750, 2393750, 3111875, 6223750, 15559375, 31118750]

約数ペア:

[(1, 31118750), (2, 15559375), (5, 6223750), (10, 3111875), (13, 2393750), (25, 1244750), (26, 1196875), (50, 622375), (65, 478750), (125, 248950), (130, 239375), (250, 124475), (325, 95750), (383, 81250), (625, 49790), (650, 47875), (766, 40625), (1250, 24895), (1625, 19150), (1915, 16250), (3125, 9958), (3250, 9575), (3830, 8125), (4979, 6250)]