2109097520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{7793}}^1$

素因数の和:8022

約数の個数: 80

約数和(自身を含む): 5218862400

約数和(自身を除く): 3109764880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 272, 340, 398, 680, 796, 995, 1360, 1592, 1990, 3184, 3383, 3980, 6766, 7793, 7960, 13532, 15586, 15920, 16915, 27064, 31172, 33830, 38965, 54128, 62344, 67660, 77930, 124688, 132481, 135320, 155860, 264962, 270640, 311720, 529924, 623440, 662405, 1059848, 1324810, 1550807, 2119696, 2649620, 3101614, 5299240, 6203228, 7754035, 10598480, 12406456, 15508070, 24812912, 26363719, 31016140, 52727438, 62032280, 105454876, 124064560, 131818595, 210909752, 263637190, 421819504, 527274380, 1054548760, 2109097520]

約数ペア:

[(1, 2109097520), (2, 1054548760), (4, 527274380), (5, 421819504), (8, 263637190), (10, 210909752), (16, 131818595), (17, 124064560), (20, 105454876), (34, 62032280), (40, 52727438), (68, 31016140), (80, 26363719), (85, 24812912), (136, 15508070), (170, 12406456), (199, 10598480), (272, 7754035), (340, 6203228), (398, 5299240), (680, 3101614), (796, 2649620), (995, 2119696), (1360, 1550807), (1592, 1324810), (1990, 1059848), (3184, 662405), (3383, 623440), (3980, 529924), (6766, 311720), (7793, 270640), (7960, 264962), (13532, 155860), (15586, 135320), (15920, 132481), (16915, 124688), (27064, 77930), (31172, 67660), (33830, 62344), (38965, 54128)]