85164040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{823}}^1$

素因数の和:1046

約数の個数: 64

約数和(自身を含む): 207648000

約数和(自身を除く): 122483960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 823, 995, 1592, 1646, 1990, 2587, 3292, 3980, 4115, 5174, 6584, 7960, 8230, 10348, 10699, 12935, 16460, 20696, 21398, 25870, 32920, 42796, 51740, 53495, 85592, 103480, 106990, 163777, 213980, 327554, 427960, 655108, 818885, 1310216, 1637770, 2129101, 3275540, 4258202, 6551080, 8516404, 10645505, 17032808, 21291010, 42582020, 85164040]

約数ペア:

[(1, 85164040), (2, 42582020), (4, 21291010), (5, 17032808), (8, 10645505), (10, 8516404), (13, 6551080), (20, 4258202), (26, 3275540), (40, 2129101), (52, 1637770), (65, 1310216), (104, 818885), (130, 655108), (199, 427960), (260, 327554), (398, 213980), (520, 163777), (796, 106990), (823, 103480), (995, 85592), (1592, 53495), (1646, 51740), (1990, 42796), (2587, 32920), (3292, 25870), (3980, 21398), (4115, 20696), (5174, 16460), (6584, 12935), (7960, 10699), (8230, 10348)]