88992880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 216950400

約数和(自身を除く): 127957520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 89, 116, 145, 178, 232, 290, 356, 431, 445, 464, 580, 712, 862, 890, 1160, 1424, 1724, 1780, 2155, 2320, 2581, 3448, 3560, 4310, 5162, 6896, 7120, 8620, 10324, 12499, 12905, 17240, 20648, 24998, 25810, 34480, 38359, 41296, 49996, 51620, 62495, 76718, 99992, 103240, 124990, 153436, 191795, 199984, 206480, 249980, 306872, 383590, 499960, 613744, 767180, 999920, 1112411, 1534360, 2224822, 3068720, 4449644, 5562055, 8899288, 11124110, 17798576, 22248220, 44496440, 88992880]

約数ペア:

[(1, 88992880), (2, 44496440), (4, 22248220), (5, 17798576), (8, 11124110), (10, 8899288), (16, 5562055), (20, 4449644), (29, 3068720), (40, 2224822), (58, 1534360), (80, 1112411), (89, 999920), (116, 767180), (145, 613744), (178, 499960), (232, 383590), (290, 306872), (356, 249980), (431, 206480), (445, 199984), (464, 191795), (580, 153436), (712, 124990), (862, 103240), (890, 99992), (1160, 76718), (1424, 62495), (1724, 51620), (1780, 49996), (2155, 41296), (2320, 38359), (2581, 34480), (3448, 25810), (3560, 24998), (4310, 20648), (5162, 17240), (6896, 12905), (7120, 12499), (8620, 10324)]