89581840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 222307200

約数和(自身を除く): 132725360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 199, 272, 331, 340, 398, 662, 680, 796, 995, 1324, 1360, 1592, 1655, 1990, 2648, 3184, 3310, 3383, 3980, 5296, 5627, 6620, 6766, 7960, 11254, 13240, 13532, 15920, 16915, 22508, 26480, 27064, 28135, 33830, 45016, 54128, 56270, 65869, 67660, 90032, 112540, 131738, 135320, 225080, 263476, 270640, 329345, 450160, 526952, 658690, 1053904, 1119773, 1317380, 2239546, 2634760, 4479092, 5269520, 5598865, 8958184, 11197730, 17916368, 22395460, 44790920, 89581840]

約数ペア:

[(1, 89581840), (2, 44790920), (4, 22395460), (5, 17916368), (8, 11197730), (10, 8958184), (16, 5598865), (17, 5269520), (20, 4479092), (34, 2634760), (40, 2239546), (68, 1317380), (80, 1119773), (85, 1053904), (136, 658690), (170, 526952), (199, 450160), (272, 329345), (331, 270640), (340, 263476), (398, 225080), (662, 135320), (680, 131738), (796, 112540), (995, 90032), (1324, 67660), (1360, 65869), (1592, 56270), (1655, 54128), (1990, 45016), (2648, 33830), (3184, 28135), (3310, 27064), (3383, 26480), (3980, 22508), (5296, 16915), (5627, 15920), (6620, 13532), (6766, 13240), (7960, 11254)]