4376840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 11188800

約数和(自身を除く): 6811960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 443, 494, 520, 760, 886, 988, 1235, 1772, 1976, 2215, 2470, 3544, 4430, 4940, 5759, 8417, 8860, 9880, 11518, 16834, 17720, 23036, 28795, 33668, 42085, 46072, 57590, 67336, 84170, 109421, 115180, 168340, 218842, 230360, 336680, 437684, 547105, 875368, 1094210, 2188420, 4376840]

約数ペア:

[(1, 4376840), (2, 2188420), (4, 1094210), (5, 875368), (8, 547105), (10, 437684), (13, 336680), (19, 230360), (20, 218842), (26, 168340), (38, 115180), (40, 109421), (52, 84170), (65, 67336), (76, 57590), (95, 46072), (104, 42085), (130, 33668), (152, 28795), (190, 23036), (247, 17720), (260, 16834), (380, 11518), (443, 9880), (494, 8860), (520, 8417), (760, 5759), (886, 4940), (988, 4430), (1235, 3544), (1772, 2470), (1976, 2215)]