66611800

素因数分解:

$2^3\times 5^2\times {\mathrm{271}}^1\times {\mathrm{1229}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 155570400

約数和(自身を除く): 88958600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 271, 542, 1084, 1229, 1355, 2168, 2458, 2710, 4916, 5420, 6145, 6775, 9832, 10840, 12290, 13550, 24580, 27100, 30725, 49160, 54200, 61450, 122900, 245800, 333059, 666118, 1332236, 1665295, 2664472, 3330590, 6661180, 8326475, 13322360, 16652950, 33305900, 66611800]

約数ペア:

[(1, 66611800), (2, 33305900), (4, 16652950), (5, 13322360), (8, 8326475), (10, 6661180), (20, 3330590), (25, 2664472), (40, 1665295), (50, 1332236), (100, 666118), (200, 333059), (271, 245800), (542, 122900), (1084, 61450), (1229, 54200), (1355, 49160), (2168, 30725), (2458, 27100), (2710, 24580), (4916, 13550), (5420, 12290), (6145, 10840), (6775, 9832)]