18014388640

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{16193}}^1$

素因数の和:16634

約数の個数: 96

約数和(自身を含む): 45175430160

約数和(自身を除く): 27161041520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 409, 544, 680, 818, 1360, 1636, 2045, 2720, 3272, 4090, 6544, 6953, 8180, 13088, 13906, 16193, 16360, 27812, 32386, 32720, 34765, 55624, 64772, 65440, 69530, 80965, 111248, 129544, 139060, 161930, 222496, 259088, 275281, 278120, 323860, 518176, 550562, 556240, 647720, 1101124, 1112480, 1295440, 1376405, 2202248, 2590880, 2752810, 4404496, 5505620, 6622937, 8808992, 11011240, 13245874, 22022480, 26491748, 33114685, 44044960, 52983496, 66229370, 105966992, 112589929, 132458740, 211933984, 225179858, 264917480, 450359716, 529834960, 562949645, 900719432, 1059669920, 1125899290, 1801438864, 2251798580, 3602877728, 4503597160, 9007194320, 18014388640]

約数ペア:

[(1, 18014388640), (2, 9007194320), (4, 4503597160), (5, 3602877728), (8, 2251798580), (10, 1801438864), (16, 1125899290), (17, 1059669920), (20, 900719432), (32, 562949645), (34, 529834960), (40, 450359716), (68, 264917480), (80, 225179858), (85, 211933984), (136, 132458740), (160, 112589929), (170, 105966992), (272, 66229370), (340, 52983496), (409, 44044960), (544, 33114685), (680, 26491748), (818, 22022480), (1360, 13245874), (1636, 11011240), (2045, 8808992), (2720, 6622937), (3272, 5505620), (4090, 4404496), (6544, 2752810), (6953, 2590880), (8180, 2202248), (13088, 1376405), (13906, 1295440), (16193, 1112480), (16360, 1101124), (27812, 647720), (32386, 556240), (32720, 550562), (34765, 518176), (55624, 323860), (64772, 278120), (65440, 275281), (69530, 259088), (80965, 222496), (111248, 161930), (129544, 139060)]