31499000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2423}}^1$

素因数の和:2457

約数の個数: 64

約数和(自身を含む): 79410240

約数和(自身を除く): 47911240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2423, 2600, 3250, 4846, 6500, 9692, 12115, 13000, 19384, 24230, 31499, 48460, 60575, 62998, 96920, 121150, 125996, 157495, 242300, 251992, 302875, 314990, 484600, 605750, 629980, 787475, 1211500, 1259960, 1574950, 2423000, 3149900, 3937375, 6299800, 7874750, 15749500, 31499000]

約数ペア:

[(1, 31499000), (2, 15749500), (4, 7874750), (5, 6299800), (8, 3937375), (10, 3149900), (13, 2423000), (20, 1574950), (25, 1259960), (26, 1211500), (40, 787475), (50, 629980), (52, 605750), (65, 484600), (100, 314990), (104, 302875), (125, 251992), (130, 242300), (200, 157495), (250, 125996), (260, 121150), (325, 96920), (500, 62998), (520, 60575), (650, 48460), (1000, 31499), (1300, 24230), (1625, 19384), (2423, 13000), (2600, 12115), (3250, 9692), (4846, 6500)]