3957680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:885

約数の個数: 40

約数和(自身を含む): 9363984

約数和(自身を除く): 5406304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 811, 976, 1220, 1622, 2440, 3244, 4055, 4880, 6488, 8110, 12976, 16220, 32440, 49471, 64880, 98942, 197884, 247355, 395768, 494710, 791536, 989420, 1978840, 3957680]

約数ペア:

[(1, 3957680), (2, 1978840), (4, 989420), (5, 791536), (8, 494710), (10, 395768), (16, 247355), (20, 197884), (40, 98942), (61, 64880), (80, 49471), (122, 32440), (244, 16220), (305, 12976), (488, 8110), (610, 6488), (811, 4880), (976, 4055), (1220, 3244), (1622, 2440)]