69945160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{32993}}^1$

素因数の和:33057

約数の個数: 32

約数和(自身を含む): 160350840

約数和(自身を除く): 90405680

約数列:

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

約数ペア:

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