7895840

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 18983160

約数和(自身を除く): 11087320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 809, 976, 1220, 1618, 1952, 2440, 3236, 4045, 4880, 6472, 8090, 9760, 12944, 16180, 25888, 32360, 49349, 64720, 98698, 129440, 197396, 246745, 394792, 493490, 789584, 986980, 1579168, 1973960, 3947920, 7895840]

約数ペア:

[(1, 7895840), (2, 3947920), (4, 1973960), (5, 1579168), (8, 986980), (10, 789584), (16, 493490), (20, 394792), (32, 246745), (40, 197396), (61, 129440), (80, 98698), (122, 64720), (160, 49349), (244, 32360), (305, 25888), (488, 16180), (610, 12944), (809, 9760), (976, 8090), (1220, 6472), (1618, 4880), (1952, 4045), (2440, 3236)]