25501960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{479}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 63244800

約数和(自身を除く): 37742840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 479, 484, 605, 958, 968, 1210, 1331, 1916, 2395, 2420, 2662, 3832, 4790, 4840, 5269, 5324, 6655, 9580, 10538, 10648, 13310, 19160, 21076, 26345, 26620, 42152, 52690, 53240, 57959, 105380, 115918, 210760, 231836, 289795, 463672, 579590, 637549, 1159180, 1275098, 2318360, 2550196, 3187745, 5100392, 6375490, 12750980, 25501960]

約数ペア:

[(1, 25501960), (2, 12750980), (4, 6375490), (5, 5100392), (8, 3187745), (10, 2550196), (11, 2318360), (20, 1275098), (22, 1159180), (40, 637549), (44, 579590), (55, 463672), (88, 289795), (110, 231836), (121, 210760), (220, 115918), (242, 105380), (440, 57959), (479, 53240), (484, 52690), (605, 42152), (958, 26620), (968, 26345), (1210, 21076), (1331, 19160), (1916, 13310), (2395, 10648), (2420, 10538), (2662, 9580), (3832, 6655), (4790, 5324), (4840, 5269)]