81442450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 156827016

約数和(自身を除く): 75384566

約数列:

[1, 2, 5, 10, 25, 50, 53, 73, 106, 146, 265, 365, 421, 530, 730, 842, 1325, 1825, 2105, 2650, 3650, 3869, 4210, 7738, 10525, 19345, 21050, 22313, 30733, 38690, 44626, 61466, 96725, 111565, 153665, 193450, 223130, 307330, 557825, 768325, 1115650, 1536650, 1628849, 3257698, 8144245, 16288490, 40721225, 81442450]

約数ペア:

[(1, 81442450), (2, 40721225), (5, 16288490), (10, 8144245), (25, 3257698), (50, 1628849), (53, 1536650), (73, 1115650), (106, 768325), (146, 557825), (265, 307330), (365, 223130), (421, 193450), (530, 153665), (730, 111565), (842, 96725), (1325, 61466), (1825, 44626), (2105, 38690), (2650, 30733), (3650, 22313), (3869, 21050), (4210, 19345), (7738, 10525)]