78240580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5009}}^1$

素因数の和:5100

約数の個数: 48

約数和(自身を含む): 181802880

約数和(自身を除く): 103562300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 5009, 7810, 10018, 15620, 20036, 25045, 50090, 55099, 100180, 110198, 220396, 275495, 355639, 550990, 711278, 1101980, 1422556, 1778195, 3556390, 3912029, 7112780, 7824058, 15648116, 19560145, 39120290, 78240580]

約数ペア:

[(1, 78240580), (2, 39120290), (4, 19560145), (5, 15648116), (10, 7824058), (11, 7112780), (20, 3912029), (22, 3556390), (44, 1778195), (55, 1422556), (71, 1101980), (110, 711278), (142, 550990), (220, 355639), (284, 275495), (355, 220396), (710, 110198), (781, 100180), (1420, 55099), (1562, 50090), (3124, 25045), (3905, 20036), (5009, 15620), (7810, 10018)]