13796980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 30248064

約数和(自身を除く): 16451084

約数列:

[1, 2, 4, 5, 10, 20, 43, 61, 86, 122, 172, 215, 244, 263, 305, 430, 526, 610, 860, 1052, 1220, 1315, 2623, 2630, 5246, 5260, 10492, 11309, 13115, 16043, 22618, 26230, 32086, 45236, 52460, 56545, 64172, 80215, 113090, 160430, 226180, 320860, 689849, 1379698, 2759396, 3449245, 6898490, 13796980]

約数ペア:

[(1, 13796980), (2, 6898490), (4, 3449245), (5, 2759396), (10, 1379698), (20, 689849), (43, 320860), (61, 226180), (86, 160430), (122, 113090), (172, 80215), (215, 64172), (244, 56545), (263, 52460), (305, 45236), (430, 32086), (526, 26230), (610, 22618), (860, 16043), (1052, 13115), (1220, 11309), (1315, 10492), (2623, 5260), (2630, 5246)]