4871600

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:678

約数の個数: 60

約数和(自身を含む): 12339240

約数和(自身を除く): 7467640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 641, 760, 950, 1282, 1520, 1900, 2564, 3205, 3800, 5128, 6410, 7600, 10256, 12179, 12820, 16025, 24358, 25640, 32050, 48716, 51280, 60895, 64100, 97432, 121790, 128200, 194864, 243580, 256400, 304475, 487160, 608950, 974320, 1217900, 2435800, 4871600]

約数ペア:

[(1, 4871600), (2, 2435800), (4, 1217900), (5, 974320), (8, 608950), (10, 487160), (16, 304475), (19, 256400), (20, 243580), (25, 194864), (38, 128200), (40, 121790), (50, 97432), (76, 64100), (80, 60895), (95, 51280), (100, 48716), (152, 32050), (190, 25640), (200, 24358), (304, 16025), (380, 12820), (400, 12179), (475, 10256), (641, 7600), (760, 6410), (950, 5128), (1282, 3800), (1520, 3205), (1900, 2564)]