71271560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61441}}^1$

素因数の和:61481

約数の個数: 32

約数和(自身を含む): 165893400

約数和(自身を除く): 94621840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 61441, 122882, 245764, 307205, 491528, 614410, 1228820, 1781789, 2457640, 3563578, 7127156, 8908945, 14254312, 17817890, 35635780, 71271560]

約数ペア:

[(1, 71271560), (2, 35635780), (4, 17817890), (5, 14254312), (8, 8908945), (10, 7127156), (20, 3563578), (29, 2457640), (40, 1781789), (58, 1228820), (116, 614410), (145, 491528), (232, 307205), (290, 245764), (580, 122882), (1160, 61441)]