40178580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51511}}^1$

素因数の和:51536

約数の個数: 48

約数和(自身を含む): 121156224

約数和(自身を除く): 80977644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51511, 103022, 154533, 206044, 257555, 309066, 515110, 618132, 669643, 772665, 1030220, 1339286, 1545330, 2008929, 2678572, 3090660, 3348215, 4017858, 6696430, 8035716, 10044645, 13392860, 20089290, 40178580]

約数ペア:

[(1, 40178580), (2, 20089290), (3, 13392860), (4, 10044645), (5, 8035716), (6, 6696430), (10, 4017858), (12, 3348215), (13, 3090660), (15, 2678572), (20, 2008929), (26, 1545330), (30, 1339286), (39, 1030220), (52, 772665), (60, 669643), (65, 618132), (78, 515110), (130, 309066), (156, 257555), (195, 206044), (260, 154533), (390, 103022), (780, 51511)]