40198120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23371}}^1$

素因数の和:23425

約数の個数: 32

約数和(自身を含む): 92553120

約数和(自身を除く): 52355000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23371, 46742, 93484, 116855, 186968, 233710, 467420, 934840, 1004953, 2009906, 4019812, 5024765, 8039624, 10049530, 20099060, 40198120]

約数ペア:

[(1, 40198120), (2, 20099060), (4, 10049530), (5, 8039624), (8, 5024765), (10, 4019812), (20, 2009906), (40, 1004953), (43, 934840), (86, 467420), (172, 233710), (215, 186968), (344, 116855), (430, 93484), (860, 46742), (1720, 23371)]