139890320

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{32993}}^1$

素因数の和:33059

約数の個数: 40

約数和(自身を含む): 331391736

約数和(自身を除く): 191501416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 32993, 65986, 131972, 164965, 263944, 329930, 527888, 659860, 1319720, 1748629, 2639440, 3497258, 6994516, 8743145, 13989032, 17486290, 27978064, 34972580, 69945160, 139890320]

約数ペア:

[(1, 139890320), (2, 69945160), (4, 34972580), (5, 27978064), (8, 17486290), (10, 13989032), (16, 8743145), (20, 6994516), (40, 3497258), (53, 2639440), (80, 1748629), (106, 1319720), (212, 659860), (265, 527888), (424, 329930), (530, 263944), (848, 164965), (1060, 131972), (2120, 65986), (4240, 32993)]