12219520

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 64

約数和(自身を含む): 29786040

約数和(自身を除く): 17566520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 313, 320, 488, 610, 626, 640, 976, 1220, 1252, 1565, 1952, 2440, 2504, 3130, 3904, 4880, 5008, 6260, 7808, 9760, 10016, 12520, 19093, 19520, 20032, 25040, 38186, 39040, 40064, 50080, 76372, 95465, 100160, 152744, 190930, 200320, 305488, 381860, 610976, 763720, 1221952, 1527440, 2443904, 3054880, 6109760, 12219520]

約数ペア:

[(1, 12219520), (2, 6109760), (4, 3054880), (5, 2443904), (8, 1527440), (10, 1221952), (16, 763720), (20, 610976), (32, 381860), (40, 305488), (61, 200320), (64, 190930), (80, 152744), (122, 100160), (128, 95465), (160, 76372), (244, 50080), (305, 40064), (313, 39040), (320, 38186), (488, 25040), (610, 20032), (626, 19520), (640, 19093), (976, 12520), (1220, 10016), (1252, 9760), (1565, 7808), (1952, 6260), (2440, 5008), (2504, 4880), (3130, 3904)]