88966640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2011}}^1$

素因数の和:2110

約数の個数: 80

約数和(自身を含む): 239508480

約数和(自身を除く): 150541840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2011, 2212, 2765, 3160, 4022, 4424, 5530, 6320, 8044, 8848, 10055, 11060, 14077, 16088, 20110, 22120, 28154, 32176, 40220, 44240, 56308, 70385, 80440, 112616, 140770, 158869, 160880, 225232, 281540, 317738, 563080, 635476, 794345, 1112083, 1126160, 1270952, 1588690, 2224166, 2541904, 3177380, 4448332, 5560415, 6354760, 8896664, 11120830, 12709520, 17793328, 22241660, 44483320, 88966640]

約数ペア:

[(1, 88966640), (2, 44483320), (4, 22241660), (5, 17793328), (7, 12709520), (8, 11120830), (10, 8896664), (14, 6354760), (16, 5560415), (20, 4448332), (28, 3177380), (35, 2541904), (40, 2224166), (56, 1588690), (70, 1270952), (79, 1126160), (80, 1112083), (112, 794345), (140, 635476), (158, 563080), (280, 317738), (316, 281540), (395, 225232), (553, 160880), (560, 158869), (632, 140770), (790, 112616), (1106, 80440), (1264, 70385), (1580, 56308), (2011, 44240), (2212, 40220), (2765, 32176), (3160, 28154), (4022, 22120), (4424, 20110), (5530, 16088), (6320, 14077), (8044, 11060), (8848, 10055)]