2011907200

素因数分解:

$2^7\times 5^2\times {\mathrm{628721}}^1$

素因数の和:628745

約数の個数: 48

約数和(自身を含む): 4970047410

約数和(自身を除く): 2958140210

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 628721, 1257442, 2514884, 3143605, 5029768, 6287210, 10059536, 12574420, 15718025, 20119072, 25148840, 31436050, 40238144, 50297680, 62872100, 80476288, 100595360, 125744200, 201190720, 251488400, 402381440, 502976800, 1005953600, 2011907200]

約数ペア:

[(1, 2011907200), (2, 1005953600), (4, 502976800), (5, 402381440), (8, 251488400), (10, 201190720), (16, 125744200), (20, 100595360), (25, 80476288), (32, 62872100), (40, 50297680), (50, 40238144), (64, 31436050), (80, 25148840), (100, 20119072), (128, 15718025), (160, 12574420), (200, 10059536), (320, 6287210), (400, 5029768), (640, 3143605), (800, 2514884), (1600, 1257442), (3200, 628721)]