25457640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16319}}^1$

素因数の和:16346

約数の個数: 64

約数和(自身を含む): 82252800

約数和(自身を除く): 56795160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16319, 32638, 48957, 65276, 81595, 97914, 130552, 163190, 195828, 212147, 244785, 326380, 391656, 424294, 489570, 636441, 652760, 848588, 979140, 1060735, 1272882, 1697176, 1958280, 2121470, 2545764, 3182205, 4242940, 5091528, 6364410, 8485880, 12728820, 25457640]

約数ペア:

[(1, 25457640), (2, 12728820), (3, 8485880), (4, 6364410), (5, 5091528), (6, 4242940), (8, 3182205), (10, 2545764), (12, 2121470), (13, 1958280), (15, 1697176), (20, 1272882), (24, 1060735), (26, 979140), (30, 848588), (39, 652760), (40, 636441), (52, 489570), (60, 424294), (65, 391656), (78, 326380), (104, 244785), (120, 212147), (130, 195828), (156, 163190), (195, 130552), (260, 97914), (312, 81595), (390, 65276), (520, 48957), (780, 32638), (1560, 16319)]