4242680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 10584000

約数和(自身を除く): 6341320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 199, 205, 260, 328, 398, 410, 520, 533, 796, 820, 995, 1066, 1592, 1640, 1990, 2132, 2587, 2665, 3980, 4264, 5174, 5330, 7960, 8159, 10348, 10660, 12935, 16318, 20696, 21320, 25870, 32636, 40795, 51740, 65272, 81590, 103480, 106067, 163180, 212134, 326360, 424268, 530335, 848536, 1060670, 2121340, 4242680]

約数ペア:

[(1, 4242680), (2, 2121340), (4, 1060670), (5, 848536), (8, 530335), (10, 424268), (13, 326360), (20, 212134), (26, 163180), (40, 106067), (41, 103480), (52, 81590), (65, 65272), (82, 51740), (104, 40795), (130, 32636), (164, 25870), (199, 21320), (205, 20696), (260, 16318), (328, 12935), (398, 10660), (410, 10348), (520, 8159), (533, 7960), (796, 5330), (820, 5174), (995, 4264), (1066, 3980), (1592, 2665), (1640, 2587), (1990, 2132)]