15289720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9323}}^1$

素因数の和:9375

約数の個数: 32

約数和(自身を含む): 35244720

約数和(自身を除く): 19955000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 9323, 18646, 37292, 46615, 74584, 93230, 186460, 372920, 382243, 764486, 1528972, 1911215, 3057944, 3822430, 7644860, 15289720]

約数ペア:

[(1, 15289720), (2, 7644860), (4, 3822430), (5, 3057944), (8, 1911215), (10, 1528972), (20, 764486), (40, 382243), (41, 372920), (82, 186460), (164, 93230), (205, 74584), (328, 46615), (410, 37292), (820, 18646), (1640, 9323)]