28475091760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18733613}}^1$

素因数の和:18733645

約数の個数: 40

約数和(自身を含む): 69689044080

約数和(自身を除く): 41213952320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 18733613, 37467226, 74934452, 93668065, 149868904, 187336130, 299737808, 355938647, 374672260, 711877294, 749344520, 1423754588, 1498689040, 1779693235, 2847509176, 3559386470, 5695018352, 7118772940, 14237545880, 28475091760]

約数ペア:

[(1, 28475091760), (2, 14237545880), (4, 7118772940), (5, 5695018352), (8, 3559386470), (10, 2847509176), (16, 1779693235), (19, 1498689040), (20, 1423754588), (38, 749344520), (40, 711877294), (76, 374672260), (80, 355938647), (95, 299737808), (152, 187336130), (190, 149868904), (304, 93668065), (380, 74934452), (760, 37467226), (1520, 18733613)]