64709680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{115553}}^1$

素因数の和:115573

約数の個数: 40

約数和(自身を含む): 171944352

約数和(自身を除く): 107234672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 115553, 231106, 462212, 577765, 808871, 924424, 1155530, 1617742, 1848848, 2311060, 3235484, 4044355, 4622120, 6470968, 8088710, 9244240, 12941936, 16177420, 32354840, 64709680]

約数ペア:

[(1, 64709680), (2, 32354840), (4, 16177420), (5, 12941936), (7, 9244240), (8, 8088710), (10, 6470968), (14, 4622120), (16, 4044355), (20, 3235484), (28, 2311060), (35, 1848848), (40, 1617742), (56, 1155530), (70, 924424), (80, 808871), (112, 577765), (140, 462212), (280, 231106), (560, 115553)]