28560340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 35451692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 167, 170, 334, 340, 503, 668, 835, 1006, 1670, 2012, 2515, 2839, 3340, 5030, 5678, 8551, 10060, 11356, 14195, 17102, 28390, 34204, 42755, 56780, 84001, 85510, 168002, 171020, 336004, 420005, 840010, 1428017, 1680020, 2856034, 5712068, 7140085, 14280170, 28560340]

約数ペア:

[(1, 28560340), (2, 14280170), (4, 7140085), (5, 5712068), (10, 2856034), (17, 1680020), (20, 1428017), (34, 840010), (68, 420005), (85, 336004), (167, 171020), (170, 168002), (334, 85510), (340, 84001), (503, 56780), (668, 42755), (835, 34204), (1006, 28390), (1670, 17102), (2012, 14195), (2515, 11356), (2839, 10060), (3340, 8551), (5030, 5678)]