27452440

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11251}}^1$

素因数の和:11323

約数の個数: 32

約数和(自身を含む): 62786160

約数和(自身を除く): 35333720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 11251, 22502, 45004, 56255, 90008, 112510, 225020, 450040, 686311, 1372622, 2745244, 3431555, 5490488, 6863110, 13726220, 27452440]

約数ペア:

[(1, 27452440), (2, 13726220), (4, 6863110), (5, 5490488), (8, 3431555), (10, 2745244), (20, 1372622), (40, 686311), (61, 450040), (122, 225020), (244, 112510), (305, 90008), (488, 56255), (610, 45004), (1220, 22502), (2440, 11251)]