53680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:85

約数の個数: 40

約数和(自身を含む): 138384

約数和(自身を除く): 84704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1220, 1342, 2440, 2684, 3355, 4880, 5368, 6710, 10736, 13420, 26840, 53680]

約数ペア:

[(1, 53680), (2, 26840), (4, 13420), (5, 10736), (8, 6710), (10, 5368), (11, 4880), (16, 3355), (20, 2684), (22, 2440), (40, 1342), (44, 1220), (55, 976), (61, 880), (80, 671), (88, 610), (110, 488), (122, 440), (176, 305), (220, 244)]