28291240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^4$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 65928690

約数和(自身を除く): 37637450

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1682, 3364, 4205, 6728, 8410, 16820, 24389, 33640, 48778, 97556, 121945, 195112, 243890, 487780, 707281, 975560, 1414562, 2829124, 3536405, 5658248, 7072810, 14145620, 28291240]

約数ペア:

[(1, 28291240), (2, 14145620), (4, 7072810), (5, 5658248), (8, 3536405), (10, 2829124), (20, 1414562), (29, 975560), (40, 707281), (58, 487780), (116, 243890), (145, 195112), (232, 121945), (290, 97556), (580, 48778), (841, 33640), (1160, 24389), (1682, 16820), (3364, 8410), (4205, 6728)]