53120240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 132179040

約数和(自身を除く): 79058800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 281, 340, 556, 562, 680, 695, 1112, 1124, 1360, 1390, 1405, 2224, 2248, 2363, 2780, 2810, 4496, 4726, 4777, 5560, 5620, 9452, 9554, 11120, 11240, 11815, 18904, 19108, 22480, 23630, 23885, 37808, 38216, 39059, 47260, 47770, 76432, 78118, 94520, 95540, 156236, 189040, 191080, 195295, 312472, 382160, 390590, 624944, 664003, 781180, 1328006, 1562360, 2656012, 3124720, 3320015, 5312024, 6640030, 10624048, 13280060, 26560120, 53120240]

約数ペア:

[(1, 53120240), (2, 26560120), (4, 13280060), (5, 10624048), (8, 6640030), (10, 5312024), (16, 3320015), (17, 3124720), (20, 2656012), (34, 1562360), (40, 1328006), (68, 781180), (80, 664003), (85, 624944), (136, 390590), (139, 382160), (170, 312472), (272, 195295), (278, 191080), (281, 189040), (340, 156236), (556, 95540), (562, 94520), (680, 78118), (695, 76432), (1112, 47770), (1124, 47260), (1360, 39059), (1390, 38216), (1405, 37808), (2224, 23885), (2248, 23630), (2363, 22480), (2780, 19108), (2810, 18904), (4496, 11815), (4726, 11240), (4777, 11120), (5560, 9554), (5620, 9452)]