67760020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{55541}}^1$

素因数の和:55611

約数の個数: 24

約数和(自身を含む): 144631368

約数和(自身を除く): 76871348

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 55541, 111082, 222164, 277705, 555410, 1110820, 3388001, 6776002, 13552004, 16940005, 33880010, 67760020]

約数ペア:

[(1, 67760020), (2, 33880010), (4, 16940005), (5, 13552004), (10, 6776002), (20, 3388001), (61, 1110820), (122, 555410), (244, 277705), (305, 222164), (610, 111082), (1220, 55541)]