64884016

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{40151}}^1$

素因数の和:40260

約数の個数: 20

約数和(自身を含む): 126960624

約数和(自身を除く): 62076608

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 40151, 80302, 160604, 321208, 642416, 4055251, 8110502, 16221004, 32442008, 64884016]

約数ペア:

[(1, 64884016), (2, 32442008), (4, 16221004), (8, 8110502), (16, 4055251), (101, 642416), (202, 321208), (404, 160604), (808, 80302), (1616, 40151)]