5135000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:118

約数の個数: 80

約数和(自身を含む): 13120800

約数和(自身を除く): 7985800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 79, 100, 104, 125, 130, 158, 200, 250, 260, 316, 325, 395, 500, 520, 625, 632, 650, 790, 1000, 1027, 1250, 1300, 1580, 1625, 1975, 2054, 2500, 2600, 3160, 3250, 3950, 4108, 5000, 5135, 6500, 7900, 8125, 8216, 9875, 10270, 13000, 15800, 16250, 19750, 20540, 25675, 32500, 39500, 41080, 49375, 51350, 65000, 79000, 98750, 102700, 128375, 197500, 205400, 256750, 395000, 513500, 641875, 1027000, 1283750, 2567500, 5135000]

約数ペア:

[(1, 5135000), (2, 2567500), (4, 1283750), (5, 1027000), (8, 641875), (10, 513500), (13, 395000), (20, 256750), (25, 205400), (26, 197500), (40, 128375), (50, 102700), (52, 98750), (65, 79000), (79, 65000), (100, 51350), (104, 49375), (125, 41080), (130, 39500), (158, 32500), (200, 25675), (250, 20540), (260, 19750), (316, 16250), (325, 15800), (395, 13000), (500, 10270), (520, 9875), (625, 8216), (632, 8125), (650, 7900), (790, 6500), (1000, 5135), (1027, 5000), (1250, 4108), (1300, 3950), (1580, 3250), (1625, 3160), (1975, 2600), (2054, 2500)]