19541600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1879}}^1$

素因数の和:1912

約数の個数: 72

約数和(自身を含む): 51402960

約数和(自身を除く): 31861360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1879, 2080, 2600, 3758, 5200, 7516, 9395, 10400, 15032, 18790, 24427, 30064, 37580, 46975, 48854, 60128, 75160, 93950, 97708, 122135, 150320, 187900, 195416, 244270, 300640, 375800, 390832, 488540, 610675, 751600, 781664, 977080, 1221350, 1503200, 1954160, 2442700, 3908320, 4885400, 9770800, 19541600]

約数ペア:

[(1, 19541600), (2, 9770800), (4, 4885400), (5, 3908320), (8, 2442700), (10, 1954160), (13, 1503200), (16, 1221350), (20, 977080), (25, 781664), (26, 751600), (32, 610675), (40, 488540), (50, 390832), (52, 375800), (65, 300640), (80, 244270), (100, 195416), (104, 187900), (130, 150320), (160, 122135), (200, 97708), (208, 93950), (260, 75160), (325, 60128), (400, 48854), (416, 46975), (520, 37580), (650, 30064), (800, 24427), (1040, 18790), (1300, 15032), (1879, 10400), (2080, 9395), (2600, 7516), (3758, 5200)]