8178880

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:497

約数の個数: 56

約数和(自身を含む): 19842480

約数和(自身を除く): 11663600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 419, 488, 610, 838, 976, 1220, 1676, 1952, 2095, 2440, 3352, 3904, 4190, 4880, 6704, 8380, 9760, 13408, 16760, 19520, 25559, 26816, 33520, 51118, 67040, 102236, 127795, 134080, 204472, 255590, 408944, 511180, 817888, 1022360, 1635776, 2044720, 4089440, 8178880]

約数ペア:

[(1, 8178880), (2, 4089440), (4, 2044720), (5, 1635776), (8, 1022360), (10, 817888), (16, 511180), (20, 408944), (32, 255590), (40, 204472), (61, 134080), (64, 127795), (80, 102236), (122, 67040), (160, 51118), (244, 33520), (305, 26816), (320, 25559), (419, 19520), (488, 16760), (610, 13408), (838, 9760), (976, 8380), (1220, 6704), (1676, 4880), (1952, 4190), (2095, 3904), (2440, 3352)]