26405600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2572

約数の個数: 72

約数和(自身を含む): 69448680

約数和(自身を除く): 43043080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2539, 2600, 5078, 5200, 10156, 10400, 12695, 20312, 25390, 33007, 40624, 50780, 63475, 66014, 81248, 101560, 126950, 132028, 165035, 203120, 253900, 264056, 330070, 406240, 507800, 528112, 660140, 825175, 1015600, 1056224, 1320280, 1650350, 2031200, 2640560, 3300700, 5281120, 6601400, 13202800, 26405600]

約数ペア:

[(1, 26405600), (2, 13202800), (4, 6601400), (5, 5281120), (8, 3300700), (10, 2640560), (13, 2031200), (16, 1650350), (20, 1320280), (25, 1056224), (26, 1015600), (32, 825175), (40, 660140), (50, 528112), (52, 507800), (65, 406240), (80, 330070), (100, 264056), (104, 253900), (130, 203120), (160, 165035), (200, 132028), (208, 126950), (260, 101560), (325, 81248), (400, 66014), (416, 63475), (520, 50780), (650, 40624), (800, 33007), (1040, 25390), (1300, 20312), (2080, 12695), (2539, 10400), (2600, 10156), (5078, 5200)]