811287200

素因数分解:

$2^5\times 5^2\times {\mathrm{653}}^1\times {\mathrm{1553}}^1$

素因数の和:2226

約数の個数: 72

約数和(自身を含む): 1984865148

約数和(自身を除く): 1173577948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 653, 800, 1306, 1553, 2612, 3106, 3265, 5224, 6212, 6530, 7765, 10448, 12424, 13060, 15530, 16325, 20896, 24848, 26120, 31060, 32650, 38825, 49696, 52240, 62120, 65300, 77650, 104480, 124240, 130600, 155300, 248480, 261200, 310600, 522400, 621200, 1014109, 1242400, 2028218, 4056436, 5070545, 8112872, 10141090, 16225744, 20282180, 25352725, 32451488, 40564360, 50705450, 81128720, 101410900, 162257440, 202821800, 405643600, 811287200]

約数ペア:

[(1, 811287200), (2, 405643600), (4, 202821800), (5, 162257440), (8, 101410900), (10, 81128720), (16, 50705450), (20, 40564360), (25, 32451488), (32, 25352725), (40, 20282180), (50, 16225744), (80, 10141090), (100, 8112872), (160, 5070545), (200, 4056436), (400, 2028218), (653, 1242400), (800, 1014109), (1306, 621200), (1553, 522400), (2612, 310600), (3106, 261200), (3265, 248480), (5224, 155300), (6212, 130600), (6530, 124240), (7765, 104480), (10448, 77650), (12424, 65300), (13060, 62120), (15530, 52240), (16325, 49696), (20896, 38825), (24848, 32650), (26120, 31060)]