129644560

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{70459}}^1$

素因数の和:70495

約数の個数: 40

約数和(自身を含む): 314533440

約数和(自身を除く): 184888880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 70459, 140918, 281836, 352295, 563672, 704590, 1127344, 1409180, 1620557, 2818360, 3241114, 5636720, 6482228, 8102785, 12964456, 16205570, 25928912, 32411140, 64822280, 129644560]

約数ペア:

[(1, 129644560), (2, 64822280), (4, 32411140), (5, 25928912), (8, 16205570), (10, 12964456), (16, 8102785), (20, 6482228), (23, 5636720), (40, 3241114), (46, 2818360), (80, 1620557), (92, 1409180), (115, 1127344), (184, 704590), (230, 563672), (368, 352295), (460, 281836), (920, 140918), (1840, 70459)]