39896920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1601}}^1$

素因数の和:1708

約数の個数: 64

約数和(自身を含む): 103809600

約数和(自身を除く): 63912680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1601, 1780, 2492, 3115, 3202, 3560, 4984, 6230, 6404, 8005, 11207, 12460, 12808, 16010, 22414, 24920, 32020, 44828, 56035, 64040, 89656, 112070, 142489, 224140, 284978, 448280, 569956, 712445, 997423, 1139912, 1424890, 1994846, 2849780, 3989692, 4987115, 5699560, 7979384, 9974230, 19948460, 39896920]

約数ペア:

[(1, 39896920), (2, 19948460), (4, 9974230), (5, 7979384), (7, 5699560), (8, 4987115), (10, 3989692), (14, 2849780), (20, 1994846), (28, 1424890), (35, 1139912), (40, 997423), (56, 712445), (70, 569956), (89, 448280), (140, 284978), (178, 224140), (280, 142489), (356, 112070), (445, 89656), (623, 64040), (712, 56035), (890, 44828), (1246, 32020), (1601, 24920), (1780, 22414), (2492, 16010), (3115, 12808), (3202, 12460), (3560, 11207), (4984, 8005), (6230, 6404)]