31555520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3229

約数の個数: 56

約数和(自身を含む): 77589888

約数和(自身を除く): 46034368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 3181, 4960, 6362, 9920, 12724, 15905, 25448, 31810, 50896, 63620, 98611, 101792, 127240, 197222, 203584, 254480, 394444, 493055, 508960, 788888, 986110, 1017920, 1577776, 1972220, 3155552, 3944440, 6311104, 7888880, 15777760, 31555520]

約数ペア:

[(1, 31555520), (2, 15777760), (4, 7888880), (5, 6311104), (8, 3944440), (10, 3155552), (16, 1972220), (20, 1577776), (31, 1017920), (32, 986110), (40, 788888), (62, 508960), (64, 493055), (80, 394444), (124, 254480), (155, 203584), (160, 197222), (248, 127240), (310, 101792), (320, 98611), (496, 63620), (620, 50896), (992, 31810), (1240, 25448), (1984, 15905), (2480, 12724), (3181, 9920), (4960, 6362)]