90250940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4889}}^1$

素因数の和:4982

約数の個数: 48

約数和(自身を含む): 207023040

約数和(自身を除く): 116772100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 4889, 9230, 9778, 18460, 19556, 24445, 48890, 63557, 97780, 127114, 254228, 317785, 347119, 635570, 694238, 1271140, 1388476, 1735595, 3471190, 4512547, 6942380, 9025094, 18050188, 22562735, 45125470, 90250940]

約数ペア:

[(1, 90250940), (2, 45125470), (4, 22562735), (5, 18050188), (10, 9025094), (13, 6942380), (20, 4512547), (26, 3471190), (52, 1735595), (65, 1388476), (71, 1271140), (130, 694238), (142, 635570), (260, 347119), (284, 317785), (355, 254228), (710, 127114), (923, 97780), (1420, 63557), (1846, 48890), (3692, 24445), (4615, 19556), (4889, 18460), (9230, 9778)]