101621560

素因数分解:

$2^3\times 5^1\times {\mathrm{2540539}}^1$

素因数の和:2540550

約数の個数: 16

約数和(自身を含む): 228648600

約数和(自身を除く): 127027040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2540539, 5081078, 10162156, 12702695, 20324312, 25405390, 50810780, 101621560]

約数ペア:

[(1, 101621560), (2, 50810780), (4, 25405390), (5, 20324312), (8, 12702695), (10, 10162156), (20, 5081078), (40, 2540539)]