25849160

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 60361200

約数和(自身を除く): 34512040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 137, 178, 212, 265, 274, 356, 424, 445, 530, 548, 685, 712, 890, 1060, 1096, 1370, 1780, 2120, 2740, 3560, 4717, 5480, 7261, 9434, 12193, 14522, 18868, 23585, 24386, 29044, 36305, 37736, 47170, 48772, 58088, 60965, 72610, 94340, 97544, 121930, 145220, 188680, 243860, 290440, 487720, 646229, 1292458, 2584916, 3231145, 5169832, 6462290, 12924580, 25849160]

約数ペア:

[(1, 25849160), (2, 12924580), (4, 6462290), (5, 5169832), (8, 3231145), (10, 2584916), (20, 1292458), (40, 646229), (53, 487720), (89, 290440), (106, 243860), (137, 188680), (178, 145220), (212, 121930), (265, 97544), (274, 94340), (356, 72610), (424, 60965), (445, 58088), (530, 48772), (548, 47170), (685, 37736), (712, 36305), (890, 29044), (1060, 24386), (1096, 23585), (1370, 18868), (1780, 14522), (2120, 12193), (2740, 9434), (3560, 7261), (4717, 5480)]