220147520

素因数分解:

$2^6\times 5^1\times {\mathrm{687961}}^1$

素因数の和:687978

約数の個数: 28

約数和(自身を含む): 524227044

約数和(自身を除く): 304079524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 687961, 1375922, 2751844, 3439805, 5503688, 6879610, 11007376, 13759220, 22014752, 27518440, 44029504, 55036880, 110073760, 220147520]

約数ペア:

[(1, 220147520), (2, 110073760), (4, 55036880), (5, 44029504), (8, 27518440), (10, 22014752), (16, 13759220), (20, 11007376), (32, 6879610), (40, 5503688), (64, 3439805), (80, 2751844), (160, 1375922), (320, 687961)]