40646944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 86788800

約数和(自身を除く): 46141856

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 199, 208, 398, 416, 491, 796, 982, 1592, 1964, 2587, 3184, 3928, 5174, 6368, 6383, 7856, 10348, 12766, 15712, 20696, 25532, 41392, 51064, 82784, 97709, 102128, 195418, 204256, 390836, 781672, 1270217, 1563344, 2540434, 3126688, 5080868, 10161736, 20323472, 40646944]

約数ペア:

[(1, 40646944), (2, 20323472), (4, 10161736), (8, 5080868), (13, 3126688), (16, 2540434), (26, 1563344), (32, 1270217), (52, 781672), (104, 390836), (199, 204256), (208, 195418), (398, 102128), (416, 97709), (491, 82784), (796, 51064), (982, 41392), (1592, 25532), (1964, 20696), (2587, 15712), (3184, 12766), (3928, 10348), (5174, 7856), (6368, 6383)]