7471280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1531}}^1$

素因数の和:1605

約数の個数: 40

約数和(自身を含む): 17667024

約数和(自身を除く): 10195744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 1531, 2440, 3062, 4880, 6124, 7655, 12248, 15310, 24496, 30620, 61240, 93391, 122480, 186782, 373564, 466955, 747128, 933910, 1494256, 1867820, 3735640, 7471280]

約数ペア:

[(1, 7471280), (2, 3735640), (4, 1867820), (5, 1494256), (8, 933910), (10, 747128), (16, 466955), (20, 373564), (40, 186782), (61, 122480), (80, 93391), (122, 61240), (244, 30620), (305, 24496), (488, 15310), (610, 12248), (976, 7655), (1220, 6124), (1531, 4880), (2440, 3062)]