61501520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24799}}^1$

素因数の和:24843

約数の個数: 40

約数和(自身を含む): 147609600

約数和(自身を除く): 86108080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 24799, 49598, 99196, 123995, 198392, 247990, 396784, 495980, 768769, 991960, 1537538, 1983920, 3075076, 3843845, 6150152, 7687690, 12300304, 15375380, 30750760, 61501520]

約数ペア:

[(1, 61501520), (2, 30750760), (4, 15375380), (5, 12300304), (8, 7687690), (10, 6150152), (16, 3843845), (20, 3075076), (31, 1983920), (40, 1537538), (62, 991960), (80, 768769), (124, 495980), (155, 396784), (248, 247990), (310, 198392), (496, 123995), (620, 99196), (1240, 49598), (2480, 24799)]