26763220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 61689600

約数和(自身を除く): 34926380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 509, 956, 1018, 1195, 2036, 2390, 2545, 2629, 4780, 5090, 5258, 5599, 10180, 10516, 11198, 13145, 22396, 26290, 27995, 52580, 55990, 111980, 121651, 243302, 486604, 608255, 1216510, 1338161, 2433020, 2676322, 5352644, 6690805, 13381610, 26763220]

約数ペア:

[(1, 26763220), (2, 13381610), (4, 6690805), (5, 5352644), (10, 2676322), (11, 2433020), (20, 1338161), (22, 1216510), (44, 608255), (55, 486604), (110, 243302), (220, 121651), (239, 111980), (478, 55990), (509, 52580), (956, 27995), (1018, 26290), (1195, 22396), (2036, 13145), (2390, 11198), (2545, 10516), (2629, 10180), (4780, 5599), (5090, 5258)]