1628554840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{4703}}^1$

素因数の和:5512

約数の個数: 64

約数和(自身を含む): 4003292160

約数和(自身を除く): 2374737320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 787, 1574, 3148, 3935, 4703, 6296, 7870, 8657, 9406, 15740, 17314, 18812, 23515, 31480, 34628, 37624, 43285, 47030, 51733, 69256, 86570, 94060, 103466, 173140, 188120, 206932, 258665, 346280, 413864, 517330, 1034660, 2069320, 3701261, 7402522, 14805044, 18506305, 29610088, 37012610, 40713871, 74025220, 81427742, 148050440, 162855484, 203569355, 325710968, 407138710, 814277420, 1628554840]

約数ペア:

[(1, 1628554840), (2, 814277420), (4, 407138710), (5, 325710968), (8, 203569355), (10, 162855484), (11, 148050440), (20, 81427742), (22, 74025220), (40, 40713871), (44, 37012610), (55, 29610088), (88, 18506305), (110, 14805044), (220, 7402522), (440, 3701261), (787, 2069320), (1574, 1034660), (3148, 517330), (3935, 413864), (4703, 346280), (6296, 258665), (7870, 206932), (8657, 188120), (9406, 173140), (15740, 103466), (17314, 94060), (18812, 86570), (23515, 69256), (31480, 51733), (34628, 47030), (37624, 43285)]