126103640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1231}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 307359360

約数和(自身を除く): 181255720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 985, 1231, 1576, 1970, 2462, 2561, 3940, 4924, 5122, 6155, 7880, 9848, 10244, 12310, 12805, 16003, 20488, 24620, 25610, 32006, 49240, 51220, 64012, 80015, 102440, 128024, 160030, 242507, 320060, 485014, 640120, 970028, 1212535, 1940056, 2425070, 3152591, 4850140, 6305182, 9700280, 12610364, 15762955, 25220728, 31525910, 63051820, 126103640]

約数ペア:

[(1, 126103640), (2, 63051820), (4, 31525910), (5, 25220728), (8, 15762955), (10, 12610364), (13, 9700280), (20, 6305182), (26, 4850140), (40, 3152591), (52, 2425070), (65, 1940056), (104, 1212535), (130, 970028), (197, 640120), (260, 485014), (394, 320060), (520, 242507), (788, 160030), (985, 128024), (1231, 102440), (1576, 80015), (1970, 64012), (2462, 51220), (2561, 49240), (3940, 32006), (4924, 25610), (5122, 24620), (6155, 20488), (7880, 16003), (9848, 12805), (10244, 12310)]