1388391160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{13417}}^1$

素因数の和:13640

約数の個数: 64

約数和(自身を含む): 3381336000

約数和(自身を除く): 1992944840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 995, 1592, 1990, 2587, 3980, 5174, 7960, 10348, 12935, 13417, 20696, 25870, 26834, 51740, 53668, 67085, 103480, 107336, 134170, 174421, 268340, 348842, 536680, 697684, 872105, 1395368, 1744210, 2669983, 3488420, 5339966, 6976840, 10679932, 13349915, 21359864, 26699830, 34709779, 53399660, 69419558, 106799320, 138839116, 173548895, 277678232, 347097790, 694195580, 1388391160]

約数ペア:

[(1, 1388391160), (2, 694195580), (4, 347097790), (5, 277678232), (8, 173548895), (10, 138839116), (13, 106799320), (20, 69419558), (26, 53399660), (40, 34709779), (52, 26699830), (65, 21359864), (104, 13349915), (130, 10679932), (199, 6976840), (260, 5339966), (398, 3488420), (520, 2669983), (796, 1744210), (995, 1395368), (1592, 872105), (1990, 697684), (2587, 536680), (3980, 348842), (5174, 268340), (7960, 174421), (10348, 134170), (12935, 107336), (13417, 103480), (20696, 67085), (25870, 53668), (26834, 51740)]