83705420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{68611}}^1$

素因数の和:68681

約数の個数: 24

約数和(自身を含む): 178665648

約数和(自身を除く): 94960228

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 68611, 137222, 274444, 343055, 686110, 1372220, 4185271, 8370542, 16741084, 20926355, 41852710, 83705420]

約数ペア:

[(1, 83705420), (2, 41852710), (4, 20926355), (5, 16741084), (10, 8370542), (20, 4185271), (61, 1372220), (122, 686110), (244, 343055), (305, 274444), (610, 137222), (1220, 68611)]