17770743920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{108517}}^1$

素因数の和:108642

約数の個数: 80

約数和(自身を含む): 43598191680

約数和(自身を除く): 25827447760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 712, 890, 920, 1424, 1780, 1840, 2047, 3560, 4094, 7120, 8188, 10235, 16376, 20470, 32752, 40940, 81880, 108517, 163760, 217034, 434068, 542585, 868136, 1085170, 1736272, 2170340, 2495891, 4340680, 4991782, 8681360, 9658013, 9983564, 12479455, 19316026, 19967128, 24958910, 38632052, 39934256, 48290065, 49917820, 77264104, 96580130, 99835640, 154528208, 193160260, 199671280, 222134299, 386320520, 444268598, 772641040, 888537196, 1110671495, 1777074392, 2221342990, 3554148784, 4442685980, 8885371960, 17770743920]

約数ペア:

[(1, 17770743920), (2, 8885371960), (4, 4442685980), (5, 3554148784), (8, 2221342990), (10, 1777074392), (16, 1110671495), (20, 888537196), (23, 772641040), (40, 444268598), (46, 386320520), (80, 222134299), (89, 199671280), (92, 193160260), (115, 154528208), (178, 99835640), (184, 96580130), (230, 77264104), (356, 49917820), (368, 48290065), (445, 39934256), (460, 38632052), (712, 24958910), (890, 19967128), (920, 19316026), (1424, 12479455), (1780, 9983564), (1840, 9658013), (2047, 8681360), (3560, 4991782), (4094, 4340680), (7120, 2495891), (8188, 2170340), (10235, 1736272), (16376, 1085170), (20470, 868136), (32752, 542585), (40940, 434068), (81880, 217034), (108517, 163760)]