145488040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{213953}}^1$

素因数の和:213981

約数の個数: 32

約数和(自身を含む): 346605480

約数和(自身を除く): 201117440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 213953, 427906, 855812, 1069765, 1711624, 2139530, 3637201, 4279060, 7274402, 8558120, 14548804, 18186005, 29097608, 36372010, 72744020, 145488040]

約数ペア:

[(1, 145488040), (2, 72744020), (4, 36372010), (5, 29097608), (8, 18186005), (10, 14548804), (17, 8558120), (20, 7274402), (34, 4279060), (40, 3637201), (68, 2139530), (85, 1711624), (136, 1069765), (170, 855812), (340, 427906), (680, 213953)]