126758320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{121883}}^1$

素因数の和:121909

約数の個数: 40

約数和(自身を含む): 317385936

約数和(自身を除く): 190627616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 121883, 243766, 487532, 609415, 975064, 1218830, 1584479, 1950128, 2437660, 3168958, 4875320, 6337916, 7922395, 9750640, 12675832, 15844790, 25351664, 31689580, 63379160, 126758320]

約数ペア:

[(1, 126758320), (2, 63379160), (4, 31689580), (5, 25351664), (8, 15844790), (10, 12675832), (13, 9750640), (16, 7922395), (20, 6337916), (26, 4875320), (40, 3168958), (52, 2437660), (65, 1950128), (80, 1584479), (104, 1218830), (130, 975064), (208, 609415), (260, 487532), (520, 243766), (1040, 121883)]