4688840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 11612160

約数和(自身を除く): 6923320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 127, 130, 142, 254, 260, 284, 355, 508, 520, 568, 635, 710, 923, 1016, 1270, 1420, 1651, 1846, 2540, 2840, 3302, 3692, 4615, 5080, 6604, 7384, 8255, 9017, 9230, 13208, 16510, 18034, 18460, 33020, 36068, 36920, 45085, 66040, 72136, 90170, 117221, 180340, 234442, 360680, 468884, 586105, 937768, 1172210, 2344420, 4688840]

約数ペア:

[(1, 4688840), (2, 2344420), (4, 1172210), (5, 937768), (8, 586105), (10, 468884), (13, 360680), (20, 234442), (26, 180340), (40, 117221), (52, 90170), (65, 72136), (71, 66040), (104, 45085), (127, 36920), (130, 36068), (142, 33020), (254, 18460), (260, 18034), (284, 16510), (355, 13208), (508, 9230), (520, 9017), (568, 8255), (635, 7384), (710, 6604), (923, 5080), (1016, 4615), (1270, 3692), (1420, 3302), (1651, 2840), (1846, 2540)]