9847840

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1009}}^1$

素因数の和:1085

約数の個数: 48

約数和(自身を含む): 23670360

約数和(自身を除く): 13822520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1009, 1220, 1952, 2018, 2440, 4036, 4880, 5045, 8072, 9760, 10090, 16144, 20180, 32288, 40360, 61549, 80720, 123098, 161440, 246196, 307745, 492392, 615490, 984784, 1230980, 1969568, 2461960, 4923920, 9847840]

約数ペア:

[(1, 9847840), (2, 4923920), (4, 2461960), (5, 1969568), (8, 1230980), (10, 984784), (16, 615490), (20, 492392), (32, 307745), (40, 246196), (61, 161440), (80, 123098), (122, 80720), (160, 61549), (244, 40360), (305, 32288), (488, 20180), (610, 16144), (976, 10090), (1009, 9760), (1220, 8072), (1952, 5045), (2018, 4880), (2440, 4036)]