25254840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16189}}^1$

素因数の和:16216

約数の個数: 64

約数和(自身を含む): 81597600

約数和(自身を除く): 56342760

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, 16189, 32378, 48567, 64756, 80945, 97134, 129512, 161890, 194268, 210457, 242835, 323780, 388536, 420914, 485670, 631371, 647560, 841828, 971340, 1052285, 1262742, 1683656, 1942680, 2104570, 2525484, 3156855, 4209140, 5050968, 6313710, 8418280, 12627420, 25254840]

約数ペア:

[(1, 25254840), (2, 12627420), (3, 8418280), (4, 6313710), (5, 5050968), (6, 4209140), (8, 3156855), (10, 2525484), (12, 2104570), (13, 1942680), (15, 1683656), (20, 1262742), (24, 1052285), (26, 971340), (30, 841828), (39, 647560), (40, 631371), (52, 485670), (60, 420914), (65, 388536), (78, 323780), (104, 242835), (120, 210457), (130, 194268), (156, 161890), (195, 129512), (260, 97134), (312, 80945), (390, 64756), (520, 48567), (780, 32378), (1560, 16189)]