1042840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 2508480

約数和(自身を除く): 1465640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 841, 899, 1160, 1240, 1682, 1798, 3364, 3596, 4205, 4495, 6728, 7192, 8410, 8990, 16820, 17980, 26071, 33640, 35960, 52142, 104284, 130355, 208568, 260710, 521420, 1042840]

約数ペア:

[(1, 1042840), (2, 521420), (4, 260710), (5, 208568), (8, 130355), (10, 104284), (20, 52142), (29, 35960), (31, 33640), (40, 26071), (58, 17980), (62, 16820), (116, 8990), (124, 8410), (145, 7192), (155, 6728), (232, 4495), (248, 4205), (290, 3596), (310, 3364), (580, 1798), (620, 1682), (841, 1240), (899, 1160)]