86945440

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{10253}}^1$

素因数の和:10321

約数の個数: 48

約数和(自身を含む): 209304648

約数和(自身を除く): 122359208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 10253, 20506, 41012, 51265, 82024, 102530, 164048, 205060, 328096, 410120, 543409, 820240, 1086818, 1640480, 2173636, 2717045, 4347272, 5434090, 8694544, 10868180, 17389088, 21736360, 43472720, 86945440]

約数ペア:

[(1, 86945440), (2, 43472720), (4, 21736360), (5, 17389088), (8, 10868180), (10, 8694544), (16, 5434090), (20, 4347272), (32, 2717045), (40, 2173636), (53, 1640480), (80, 1086818), (106, 820240), (160, 543409), (212, 410120), (265, 328096), (424, 205060), (530, 164048), (848, 102530), (1060, 82024), (1696, 51265), (2120, 41012), (4240, 20506), (8480, 10253)]