89941040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6983}}^1$

素因数の和:7026

約数の個数: 80

約数和(自身を含む): 249412608

約数和(自身を除く): 159471568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 6983, 12880, 13966, 27932, 34915, 48881, 55864, 69830, 97762, 111728, 139660, 160609, 195524, 244405, 279320, 321218, 391048, 488810, 558640, 642436, 782096, 803045, 977620, 1124263, 1284872, 1606090, 1955240, 2248526, 2569744, 3212180, 3910480, 4497052, 5621315, 6424360, 8994104, 11242630, 12848720, 17988208, 22485260, 44970520, 89941040]

約数ペア:

[(1, 89941040), (2, 44970520), (4, 22485260), (5, 17988208), (7, 12848720), (8, 11242630), (10, 8994104), (14, 6424360), (16, 5621315), (20, 4497052), (23, 3910480), (28, 3212180), (35, 2569744), (40, 2248526), (46, 1955240), (56, 1606090), (70, 1284872), (80, 1124263), (92, 977620), (112, 803045), (115, 782096), (140, 642436), (161, 558640), (184, 488810), (230, 391048), (280, 321218), (322, 279320), (368, 244405), (460, 195524), (560, 160609), (644, 139660), (805, 111728), (920, 97762), (1288, 69830), (1610, 55864), (1840, 48881), (2576, 34915), (3220, 27932), (6440, 13966), (6983, 12880)]