40189888

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:521

約数の個数: 56

約数和(自身を含む): 84271104

約数和(自身を除く): 44081216

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 188, 248, 376, 431, 496, 752, 862, 992, 1457, 1504, 1724, 1984, 2914, 3008, 3448, 5828, 6896, 11656, 13361, 13792, 20257, 23312, 26722, 27584, 40514, 46624, 53444, 81028, 93248, 106888, 162056, 213776, 324112, 427552, 627967, 648224, 855104, 1255934, 1296448, 2511868, 5023736, 10047472, 20094944, 40189888]

約数ペア:

[(1, 40189888), (2, 20094944), (4, 10047472), (8, 5023736), (16, 2511868), (31, 1296448), (32, 1255934), (47, 855104), (62, 648224), (64, 627967), (94, 427552), (124, 324112), (188, 213776), (248, 162056), (376, 106888), (431, 93248), (496, 81028), (752, 53444), (862, 46624), (992, 40514), (1457, 27584), (1504, 26722), (1724, 23312), (1984, 20257), (2914, 13792), (3008, 13361), (3448, 11656), (5828, 6896)]