7788994040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{40763}}^1$

素因数の和:41072

約数の個数: 64

約数和(自身を含む): 18622625760

約数和(自身を除く): 10833631720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 281, 340, 562, 680, 1124, 1405, 2248, 2810, 4777, 5620, 9554, 11240, 19108, 23885, 38216, 40763, 47770, 81526, 95540, 163052, 191080, 203815, 326104, 407630, 692971, 815260, 1385942, 1630520, 2771884, 3464855, 5543768, 6929710, 11454403, 13859420, 22908806, 27718840, 45817612, 57272015, 91635224, 114544030, 194724851, 229088060, 389449702, 458176120, 778899404, 973624255, 1557798808, 1947248510, 3894497020, 7788994040]

約数ペア:

[(1, 7788994040), (2, 3894497020), (4, 1947248510), (5, 1557798808), (8, 973624255), (10, 778899404), (17, 458176120), (20, 389449702), (34, 229088060), (40, 194724851), (68, 114544030), (85, 91635224), (136, 57272015), (170, 45817612), (281, 27718840), (340, 22908806), (562, 13859420), (680, 11454403), (1124, 6929710), (1405, 5543768), (2248, 3464855), (2810, 2771884), (4777, 1630520), (5620, 1385942), (9554, 815260), (11240, 692971), (19108, 407630), (23885, 326104), (38216, 203815), (40763, 191080), (47770, 163052), (81526, 95540)]