40402960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 103212144

約数和(自身を除く): 62809184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 733, 848, 1040, 1060, 1378, 1466, 2120, 2756, 2932, 3445, 3665, 4240, 5512, 5864, 6890, 7330, 9529, 11024, 11728, 13780, 14660, 19058, 27560, 29320, 38116, 38849, 47645, 55120, 58640, 76232, 77698, 95290, 152464, 155396, 190580, 194245, 310792, 381160, 388490, 505037, 621584, 762320, 776980, 1010074, 1553960, 2020148, 2525185, 3107920, 4040296, 5050370, 8080592, 10100740, 20201480, 40402960]

約数ペア:

[(1, 40402960), (2, 20201480), (4, 10100740), (5, 8080592), (8, 5050370), (10, 4040296), (13, 3107920), (16, 2525185), (20, 2020148), (26, 1553960), (40, 1010074), (52, 776980), (53, 762320), (65, 621584), (80, 505037), (104, 388490), (106, 381160), (130, 310792), (208, 194245), (212, 190580), (260, 155396), (265, 152464), (424, 95290), (520, 77698), (530, 76232), (689, 58640), (733, 55120), (848, 47645), (1040, 38849), (1060, 38116), (1378, 29320), (1466, 27560), (2120, 19058), (2756, 14660), (2932, 13780), (3445, 11728), (3665, 11024), (4240, 9529), (5512, 7330), (5864, 6890)]