19823200

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 72

約数和(自身を含む): 49215600

約数和(自身を除く): 29392400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 349, 355, 400, 568, 698, 710, 800, 1136, 1396, 1420, 1745, 1775, 2272, 2792, 2840, 3490, 3550, 5584, 5680, 6980, 7100, 8725, 11168, 11360, 13960, 14200, 17450, 24779, 27920, 28400, 34900, 49558, 55840, 56800, 69800, 99116, 123895, 139600, 198232, 247790, 279200, 396464, 495580, 619475, 792928, 991160, 1238950, 1982320, 2477900, 3964640, 4955800, 9911600, 19823200]

約数ペア:

[(1, 19823200), (2, 9911600), (4, 4955800), (5, 3964640), (8, 2477900), (10, 1982320), (16, 1238950), (20, 991160), (25, 792928), (32, 619475), (40, 495580), (50, 396464), (71, 279200), (80, 247790), (100, 198232), (142, 139600), (160, 123895), (200, 99116), (284, 69800), (349, 56800), (355, 55840), (400, 49558), (568, 34900), (698, 28400), (710, 27920), (800, 24779), (1136, 17450), (1396, 14200), (1420, 13960), (1745, 11360), (1775, 11168), (2272, 8725), (2792, 7100), (2840, 6980), (3490, 5680), (3550, 5584)]