50808680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:714

約数の個数: 64

約数和(自身を含む): 123984000

約数和(自身を除く): 73175320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 491, 520, 796, 982, 995, 1592, 1964, 1990, 2455, 2587, 3928, 3980, 4910, 5174, 6383, 7960, 9820, 10348, 12766, 12935, 19640, 20696, 25532, 25870, 31915, 51064, 51740, 63830, 97709, 103480, 127660, 195418, 255320, 390836, 488545, 781672, 977090, 1270217, 1954180, 2540434, 3908360, 5080868, 6351085, 10161736, 12702170, 25404340, 50808680]

約数ペア:

[(1, 50808680), (2, 25404340), (4, 12702170), (5, 10161736), (8, 6351085), (10, 5080868), (13, 3908360), (20, 2540434), (26, 1954180), (40, 1270217), (52, 977090), (65, 781672), (104, 488545), (130, 390836), (199, 255320), (260, 195418), (398, 127660), (491, 103480), (520, 97709), (796, 63830), (982, 51740), (995, 51064), (1592, 31915), (1964, 25870), (1990, 25532), (2455, 20696), (2587, 19640), (3928, 12935), (3980, 12766), (4910, 10348), (5174, 9820), (6383, 7960)]