68261840

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2459}}^1$

素因数の和:2819

約数の個数: 40

約数和(自身を含む): 159230880

約数和(自身を除く): 90969040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2459, 2776, 3470, 4918, 5552, 6940, 9836, 12295, 13880, 19672, 24590, 27760, 39344, 49180, 98360, 196720, 853273, 1706546, 3413092, 4266365, 6826184, 8532730, 13652368, 17065460, 34130920, 68261840]

約数ペア:

[(1, 68261840), (2, 34130920), (4, 17065460), (5, 13652368), (8, 8532730), (10, 6826184), (16, 4266365), (20, 3413092), (40, 1706546), (80, 853273), (347, 196720), (694, 98360), (1388, 49180), (1735, 39344), (2459, 27760), (2776, 24590), (3470, 19672), (4918, 13880), (5552, 12295), (6940, 9836)]