125421040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 304551936

約数和(自身を除く): 179130896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 103, 124, 155, 206, 248, 310, 412, 491, 496, 515, 620, 824, 982, 1030, 1240, 1648, 1964, 2060, 2455, 2480, 3193, 3928, 4120, 4910, 6386, 7856, 8240, 9820, 12772, 15221, 15965, 19640, 25544, 30442, 31930, 39280, 50573, 51088, 60884, 63860, 76105, 101146, 121768, 127720, 152210, 202292, 243536, 252865, 255440, 304420, 404584, 505730, 608840, 809168, 1011460, 1217680, 1567763, 2022920, 3135526, 4045840, 6271052, 7838815, 12542104, 15677630, 25084208, 31355260, 62710520, 125421040]

約数ペア:

[(1, 125421040), (2, 62710520), (4, 31355260), (5, 25084208), (8, 15677630), (10, 12542104), (16, 7838815), (20, 6271052), (31, 4045840), (40, 3135526), (62, 2022920), (80, 1567763), (103, 1217680), (124, 1011460), (155, 809168), (206, 608840), (248, 505730), (310, 404584), (412, 304420), (491, 255440), (496, 252865), (515, 243536), (620, 202292), (824, 152210), (982, 127720), (1030, 121768), (1240, 101146), (1648, 76105), (1964, 63860), (2060, 60884), (2455, 51088), (2480, 50573), (3193, 39280), (3928, 31930), (4120, 30442), (4910, 25544), (6386, 19640), (7856, 15965), (8240, 15221), (9820, 12772)]