4161640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 10886400

約数和(自身を除く): 6724760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 167, 178, 280, 334, 356, 445, 623, 668, 712, 835, 890, 1169, 1246, 1336, 1670, 1780, 2338, 2492, 3115, 3340, 3560, 4676, 4984, 5845, 6230, 6680, 9352, 11690, 12460, 14863, 23380, 24920, 29726, 46760, 59452, 74315, 104041, 118904, 148630, 208082, 297260, 416164, 520205, 594520, 832328, 1040410, 2080820, 4161640]

約数ペア:

[(1, 4161640), (2, 2080820), (4, 1040410), (5, 832328), (7, 594520), (8, 520205), (10, 416164), (14, 297260), (20, 208082), (28, 148630), (35, 118904), (40, 104041), (56, 74315), (70, 59452), (89, 46760), (140, 29726), (167, 24920), (178, 23380), (280, 14863), (334, 12460), (356, 11690), (445, 9352), (623, 6680), (668, 6230), (712, 5845), (835, 4984), (890, 4676), (1169, 3560), (1246, 3340), (1336, 3115), (1670, 2492), (1780, 2338)]