25061728

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 51652944

約数和(自身を除く): 26591216

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 74, 122, 148, 244, 296, 347, 488, 592, 694, 976, 1184, 1388, 1952, 2257, 2776, 4514, 5552, 9028, 11104, 12839, 18056, 21167, 25678, 36112, 42334, 51356, 72224, 84668, 102712, 169336, 205424, 338672, 410848, 677344, 783179, 1566358, 3132716, 6265432, 12530864, 25061728]

約数ペア:

[(1, 25061728), (2, 12530864), (4, 6265432), (8, 3132716), (16, 1566358), (32, 783179), (37, 677344), (61, 410848), (74, 338672), (122, 205424), (148, 169336), (244, 102712), (296, 84668), (347, 72224), (488, 51356), (592, 42334), (694, 36112), (976, 25678), (1184, 21167), (1388, 18056), (1952, 12839), (2257, 11104), (2776, 9028), (4514, 5552)]