25675000

素因数分解:

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

素因数の和:123

約数の個数: 96

約数和(自身を含む): 65620800

約数和(自身を除く): 39945800

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, 3125, 3160, 3250, 3950, 4108, 5000, 5135, 6250, 6500, 7900, 8125, 8216, 9875, 10270, 12500, 13000, 15800, 16250, 19750, 20540, 25000, 25675, 32500, 39500, 40625, 41080, 49375, 51350, 65000, 79000, 81250, 98750, 102700, 128375, 162500, 197500, 205400, 246875, 256750, 325000, 395000, 493750, 513500, 641875, 987500, 1027000, 1283750, 1975000, 2567500, 3209375, 5135000, 6418750, 12837500, 25675000]

約数ペア:

[(1, 25675000), (2, 12837500), (4, 6418750), (5, 5135000), (8, 3209375), (10, 2567500), (13, 1975000), (20, 1283750), (25, 1027000), (26, 987500), (40, 641875), (50, 513500), (52, 493750), (65, 395000), (79, 325000), (100, 256750), (104, 246875), (125, 205400), (130, 197500), (158, 162500), (200, 128375), (250, 102700), (260, 98750), (316, 81250), (325, 79000), (395, 65000), (500, 51350), (520, 49375), (625, 41080), (632, 40625), (650, 39500), (790, 32500), (1000, 25675), (1027, 25000), (1250, 20540), (1300, 19750), (1580, 16250), (1625, 15800), (1975, 13000), (2054, 12500), (2500, 10270), (2600, 9875), (3125, 8216), (3160, 8125), (3250, 7900), (3950, 6500), (4108, 6250), (5000, 5135)]