55553920

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1503

約数の個数: 64

約数和(自身を含む): 135080640

約数和(自身を除く): 79526720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1423, 1952, 2440, 2846, 3904, 4880, 5692, 7115, 7808, 9760, 11384, 14230, 19520, 22768, 28460, 39040, 45536, 56920, 86803, 91072, 113840, 173606, 182144, 227680, 347212, 434015, 455360, 694424, 868030, 910720, 1388848, 1736060, 2777696, 3472120, 5555392, 6944240, 11110784, 13888480, 27776960, 55553920]

約数ペア:

[(1, 55553920), (2, 27776960), (4, 13888480), (5, 11110784), (8, 6944240), (10, 5555392), (16, 3472120), (20, 2777696), (32, 1736060), (40, 1388848), (61, 910720), (64, 868030), (80, 694424), (122, 455360), (128, 434015), (160, 347212), (244, 227680), (305, 182144), (320, 173606), (488, 113840), (610, 91072), (640, 86803), (976, 56920), (1220, 45536), (1423, 39040), (1952, 28460), (2440, 22768), (2846, 19520), (3904, 14230), (4880, 11384), (5692, 9760), (7115, 7808)]