667098640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641441}}^1$

素因数の和:641467

約数の個数: 40

約数和(自身を含む): 1670314968

約数和(自身を除く): 1003216328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 641441, 1282882, 2565764, 3207205, 5131528, 6414410, 8338733, 10263056, 12828820, 16677466, 25657640, 33354932, 41693665, 51315280, 66709864, 83387330, 133419728, 166774660, 333549320, 667098640]

約数ペア:

[(1, 667098640), (2, 333549320), (4, 166774660), (5, 133419728), (8, 83387330), (10, 66709864), (13, 51315280), (16, 41693665), (20, 33354932), (26, 25657640), (40, 16677466), (52, 12828820), (65, 10263056), (80, 8338733), (104, 6414410), (130, 5131528), (208, 3207205), (260, 2565764), (520, 1282882), (1040, 641441)]