47393840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 119784000

約数和(自身を除く): 72390160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 199, 208, 229, 260, 398, 458, 520, 796, 916, 995, 1040, 1145, 1592, 1832, 1990, 2290, 2587, 2977, 3184, 3664, 3980, 4580, 5174, 5954, 7960, 9160, 10348, 11908, 12935, 14885, 15920, 18320, 20696, 23816, 25870, 29770, 41392, 45571, 47632, 51740, 59540, 91142, 103480, 119080, 182284, 206960, 227855, 238160, 364568, 455710, 592423, 729136, 911420, 1184846, 1822840, 2369692, 2962115, 3645680, 4739384, 5924230, 9478768, 11848460, 23696920, 47393840]

約数ペア:

[(1, 47393840), (2, 23696920), (4, 11848460), (5, 9478768), (8, 5924230), (10, 4739384), (13, 3645680), (16, 2962115), (20, 2369692), (26, 1822840), (40, 1184846), (52, 911420), (65, 729136), (80, 592423), (104, 455710), (130, 364568), (199, 238160), (208, 227855), (229, 206960), (260, 182284), (398, 119080), (458, 103480), (520, 91142), (796, 59540), (916, 51740), (995, 47632), (1040, 45571), (1145, 41392), (1592, 29770), (1832, 25870), (1990, 23816), (2290, 20696), (2587, 18320), (2977, 15920), (3184, 14885), (3664, 12935), (3980, 11908), (4580, 10348), (5174, 9160), (5954, 7960)]