31749280

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3329

約数の個数: 48

約数和(自身を含む): 76260744

約数和(自身を除く): 44511464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 3253, 4880, 6506, 9760, 13012, 16265, 26024, 32530, 52048, 65060, 104096, 130120, 198433, 260240, 396866, 520480, 793732, 992165, 1587464, 1984330, 3174928, 3968660, 6349856, 7937320, 15874640, 31749280]

約数ペア:

[(1, 31749280), (2, 15874640), (4, 7937320), (5, 6349856), (8, 3968660), (10, 3174928), (16, 1984330), (20, 1587464), (32, 992165), (40, 793732), (61, 520480), (80, 396866), (122, 260240), (160, 198433), (244, 130120), (305, 104096), (488, 65060), (610, 52048), (976, 32530), (1220, 26024), (1952, 16265), (2440, 13012), (3253, 9760), (4880, 6506)]