22687120

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4649}}^1$

素因数の和:4723

約数の個数: 40

約数和(自身を含む): 53623800

約数和(自身を除く): 30936680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4649, 4880, 9298, 18596, 23245, 37192, 46490, 74384, 92980, 185960, 283589, 371920, 567178, 1134356, 1417945, 2268712, 2835890, 4537424, 5671780, 11343560, 22687120]

約数ペア:

[(1, 22687120), (2, 11343560), (4, 5671780), (5, 4537424), (8, 2835890), (10, 2268712), (16, 1417945), (20, 1134356), (40, 567178), (61, 371920), (80, 283589), (122, 185960), (244, 92980), (305, 74384), (488, 46490), (610, 37192), (976, 23245), (1220, 18596), (2440, 9298), (4649, 4880)]