27640000

素因数分解:

$2^6\times 5^4\times {\mathrm{691}}^1$

素因数の和:723

約数の個数: 70

約数和(自身を含む): 68637404

約数和(自身を除く): 40997404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 691, 800, 1000, 1250, 1382, 1600, 2000, 2500, 2764, 3455, 4000, 5000, 5528, 6910, 8000, 10000, 11056, 13820, 17275, 20000, 22112, 27640, 34550, 40000, 44224, 55280, 69100, 86375, 110560, 138200, 172750, 221120, 276400, 345500, 431875, 552800, 691000, 863750, 1105600, 1382000, 1727500, 2764000, 3455000, 5528000, 6910000, 13820000, 27640000]

約数ペア:

[(1, 27640000), (2, 13820000), (4, 6910000), (5, 5528000), (8, 3455000), (10, 2764000), (16, 1727500), (20, 1382000), (25, 1105600), (32, 863750), (40, 691000), (50, 552800), (64, 431875), (80, 345500), (100, 276400), (125, 221120), (160, 172750), (200, 138200), (250, 110560), (320, 86375), (400, 69100), (500, 55280), (625, 44224), (691, 40000), (800, 34550), (1000, 27640), (1250, 22112), (1382, 20000), (1600, 17275), (2000, 13820), (2500, 11056), (2764, 10000), (3455, 8000), (4000, 6910), (5000, 5528)]