87243440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{57397}}^1$

素因数の和:57429

約数の個数: 40

約数和(自身を含む): 213520560

約数和(自身を除く): 126277120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 57397, 114794, 229588, 286985, 459176, 573970, 918352, 1090543, 1147940, 2181086, 2295880, 4362172, 4591760, 5452715, 8724344, 10905430, 17448688, 21810860, 43621720, 87243440]

約数ペア:

[(1, 87243440), (2, 43621720), (4, 21810860), (5, 17448688), (8, 10905430), (10, 8724344), (16, 5452715), (19, 4591760), (20, 4362172), (38, 2295880), (40, 2181086), (76, 1147940), (80, 1090543), (95, 918352), (152, 573970), (190, 459176), (304, 286985), (380, 229588), (760, 114794), (1520, 57397)]