71620000

素因数分解:

$2^5\times 5^4\times {\mathrm{3581}}^1$

素因数の和:3611

約数の個数: 60

約数和(自身を含む): 176245146

約数和(自身を除く): 104625146

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 3581, 4000, 5000, 7162, 10000, 14324, 17905, 20000, 28648, 35810, 57296, 71620, 89525, 114592, 143240, 179050, 286480, 358100, 447625, 572960, 716200, 895250, 1432400, 1790500, 2238125, 2864800, 3581000, 4476250, 7162000, 8952500, 14324000, 17905000, 35810000, 71620000]

約数ペア:

[(1, 71620000), (2, 35810000), (4, 17905000), (5, 14324000), (8, 8952500), (10, 7162000), (16, 4476250), (20, 3581000), (25, 2864800), (32, 2238125), (40, 1790500), (50, 1432400), (80, 895250), (100, 716200), (125, 572960), (160, 447625), (200, 358100), (250, 286480), (400, 179050), (500, 143240), (625, 114592), (800, 89525), (1000, 71620), (1250, 57296), (2000, 35810), (2500, 28648), (3581, 20000), (4000, 17905), (5000, 14324), (7162, 10000)]