161043140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2383}}^1$

素因数の和:2532

約数の個数: 48

約数和(自身を含む): 352450560

約数和(自身を除く): 191407420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 620, 1090, 2180, 2383, 3379, 4766, 6758, 9532, 11915, 13516, 16895, 23830, 33790, 47660, 67580, 73873, 147746, 259747, 295492, 369365, 519494, 738730, 1038988, 1298735, 1477460, 2597470, 5194940, 8052157, 16104314, 32208628, 40260785, 80521570, 161043140]

約数ペア:

[(1, 161043140), (2, 80521570), (4, 40260785), (5, 32208628), (10, 16104314), (20, 8052157), (31, 5194940), (62, 2597470), (109, 1477460), (124, 1298735), (155, 1038988), (218, 738730), (310, 519494), (436, 369365), (545, 295492), (620, 259747), (1090, 147746), (2180, 73873), (2383, 67580), (3379, 47660), (4766, 33790), (6758, 23830), (9532, 16895), (11915, 13516)]