25052560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 67395240

約数和(自身を除く): 42342680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 109, 130, 136, 169, 170, 208, 218, 221, 260, 272, 338, 340, 436, 442, 520, 545, 676, 680, 845, 872, 884, 1040, 1090, 1105, 1352, 1360, 1417, 1690, 1744, 1768, 1853, 2180, 2210, 2704, 2834, 2873, 3380, 3536, 3706, 4360, 4420, 5668, 5746, 6760, 7085, 7412, 8720, 8840, 9265, 11336, 11492, 13520, 14170, 14365, 14824, 17680, 18421, 18530, 22672, 22984, 24089, 28340, 28730, 29648, 36842, 37060, 45968, 48178, 56680, 57460, 73684, 74120, 92105, 96356, 113360, 114920, 120445, 147368, 148240, 184210, 192712, 229840, 240890, 294736, 313157, 368420, 385424, 481780, 626314, 736840, 963560, 1252628, 1473680, 1565785, 1927120, 2505256, 3131570, 5010512, 6263140, 12526280, 25052560]

約数ペア:

[(1, 25052560), (2, 12526280), (4, 6263140), (5, 5010512), (8, 3131570), (10, 2505256), (13, 1927120), (16, 1565785), (17, 1473680), (20, 1252628), (26, 963560), (34, 736840), (40, 626314), (52, 481780), (65, 385424), (68, 368420), (80, 313157), (85, 294736), (104, 240890), (109, 229840), (130, 192712), (136, 184210), (169, 148240), (170, 147368), (208, 120445), (218, 114920), (221, 113360), (260, 96356), (272, 92105), (338, 74120), (340, 73684), (436, 57460), (442, 56680), (520, 48178), (545, 45968), (676, 37060), (680, 36842), (845, 29648), (872, 28730), (884, 28340), (1040, 24089), (1090, 22984), (1105, 22672), (1352, 18530), (1360, 18421), (1417, 17680), (1690, 14824), (1744, 14365), (1768, 14170), (1853, 13520), (2180, 11492), (2210, 11336), (2704, 9265), (2834, 8840), (2873, 8720), (3380, 7412), (3536, 7085), (3706, 6760), (4360, 5746), (4420, 5668)]