40860640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13441}}^1$

素因数の和:13475

約数の個数: 48

約数和(自身を含む): 101621520

約数和(自身を除く): 60760880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 13441, 26882, 53764, 67205, 107528, 134410, 215056, 255379, 268820, 430112, 510758, 537640, 1021516, 1075280, 1276895, 2043032, 2150560, 2553790, 4086064, 5107580, 8172128, 10215160, 20430320, 40860640]

約数ペア:

[(1, 40860640), (2, 20430320), (4, 10215160), (5, 8172128), (8, 5107580), (10, 4086064), (16, 2553790), (19, 2150560), (20, 2043032), (32, 1276895), (38, 1075280), (40, 1021516), (76, 537640), (80, 510758), (95, 430112), (152, 268820), (160, 255379), (190, 215056), (304, 134410), (380, 107528), (608, 67205), (760, 53764), (1520, 26882), (3040, 13441)]