28829560

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17579}}^1$

素因数の和:17631

約数の個数: 32

約数和(自身を含む): 66452400

約数和(自身を除く): 37622840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17579, 35158, 70316, 87895, 140632, 175790, 351580, 703160, 720739, 1441478, 2882956, 3603695, 5765912, 7207390, 14414780, 28829560]

約数ペア:

[(1, 28829560), (2, 14414780), (4, 7207390), (5, 5765912), (8, 3603695), (10, 2882956), (20, 1441478), (40, 720739), (41, 703160), (82, 351580), (164, 175790), (205, 140632), (328, 87895), (410, 70316), (820, 35158), (1640, 17579)]