1882400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:214

約数の個数: 72

約数和(自身を含む): 4976244

約数和(自身を除く): 3093844

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 181, 200, 208, 260, 325, 362, 400, 416, 520, 650, 724, 800, 905, 1040, 1300, 1448, 1810, 2080, 2353, 2600, 2896, 3620, 4525, 4706, 5200, 5792, 7240, 9050, 9412, 10400, 11765, 14480, 18100, 18824, 23530, 28960, 36200, 37648, 47060, 58825, 72400, 75296, 94120, 117650, 144800, 188240, 235300, 376480, 470600, 941200, 1882400]

約数ペア:

[(1, 1882400), (2, 941200), (4, 470600), (5, 376480), (8, 235300), (10, 188240), (13, 144800), (16, 117650), (20, 94120), (25, 75296), (26, 72400), (32, 58825), (40, 47060), (50, 37648), (52, 36200), (65, 28960), (80, 23530), (100, 18824), (104, 18100), (130, 14480), (160, 11765), (181, 10400), (200, 9412), (208, 9050), (260, 7240), (325, 5792), (362, 5200), (400, 4706), (416, 4525), (520, 3620), (650, 2896), (724, 2600), (800, 2353), (905, 2080), (1040, 1810), (1300, 1448)]