40001440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:314

約数の個数: 96

約数和(自身を含む): 100835280

約数和(自身を除く): 60833840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 74, 80, 116, 145, 148, 160, 185, 232, 233, 290, 296, 370, 464, 466, 580, 592, 740, 928, 932, 1073, 1160, 1165, 1184, 1480, 1864, 2146, 2320, 2330, 2960, 3728, 4292, 4640, 4660, 5365, 5920, 6757, 7456, 8584, 8621, 9320, 10730, 13514, 17168, 17242, 18640, 21460, 27028, 33785, 34336, 34484, 37280, 42920, 43105, 54056, 67570, 68968, 85840, 86210, 108112, 135140, 137936, 171680, 172420, 216224, 250009, 270280, 275872, 344840, 500018, 540560, 689680, 1000036, 1081120, 1250045, 1379360, 2000072, 2500090, 4000144, 5000180, 8000288, 10000360, 20000720, 40001440]

約数ペア:

[(1, 40001440), (2, 20000720), (4, 10000360), (5, 8000288), (8, 5000180), (10, 4000144), (16, 2500090), (20, 2000072), (29, 1379360), (32, 1250045), (37, 1081120), (40, 1000036), (58, 689680), (74, 540560), (80, 500018), (116, 344840), (145, 275872), (148, 270280), (160, 250009), (185, 216224), (232, 172420), (233, 171680), (290, 137936), (296, 135140), (370, 108112), (464, 86210), (466, 85840), (580, 68968), (592, 67570), (740, 54056), (928, 43105), (932, 42920), (1073, 37280), (1160, 34484), (1165, 34336), (1184, 33785), (1480, 27028), (1864, 21460), (2146, 18640), (2320, 17242), (2330, 17168), (2960, 13514), (3728, 10730), (4292, 9320), (4640, 8621), (4660, 8584), (5365, 7456), (5920, 6757)]