41647180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 89752320

約数和(自身を除く): 48105140

約数列:

[1, 2, 4, 5, 10, 20, 71, 139, 142, 211, 278, 284, 355, 422, 556, 695, 710, 844, 1055, 1390, 1420, 2110, 2780, 4220, 9869, 14981, 19738, 29329, 29962, 39476, 49345, 58658, 59924, 74905, 98690, 117316, 146645, 149810, 197380, 293290, 299620, 586580, 2082359, 4164718, 8329436, 10411795, 20823590, 41647180]

約数ペア:

[(1, 41647180), (2, 20823590), (4, 10411795), (5, 8329436), (10, 4164718), (20, 2082359), (71, 586580), (139, 299620), (142, 293290), (211, 197380), (278, 149810), (284, 146645), (355, 117316), (422, 98690), (556, 74905), (695, 59924), (710, 58658), (844, 49345), (1055, 39476), (1390, 29962), (1420, 29329), (2110, 19738), (2780, 14981), (4220, 9869)]