158981320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{92431}}^1$

素因数の和:92485

約数の個数: 32

約数和(自身を含む): 366030720

約数和(自身を除く): 207049400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 92431, 184862, 369724, 462155, 739448, 924310, 1848620, 3697240, 3974533, 7949066, 15898132, 19872665, 31796264, 39745330, 79490660, 158981320]

約数ペア:

[(1, 158981320), (2, 79490660), (4, 39745330), (5, 31796264), (8, 19872665), (10, 15898132), (20, 7949066), (40, 3974533), (43, 3697240), (86, 1848620), (172, 924310), (215, 739448), (344, 462155), (430, 369724), (860, 184862), (1720, 92431)]