28850240

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1119

約数の個数: 56

約数和(自身を含む): 69540120

約数和(自身を除く): 40689880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1013, 1424, 1780, 2026, 2848, 3560, 4052, 5065, 5696, 7120, 8104, 10130, 14240, 16208, 20260, 28480, 32416, 40520, 64832, 81040, 90157, 162080, 180314, 324160, 360628, 450785, 721256, 901570, 1442512, 1803140, 2885024, 3606280, 5770048, 7212560, 14425120, 28850240]

約数ペア:

[(1, 28850240), (2, 14425120), (4, 7212560), (5, 5770048), (8, 3606280), (10, 2885024), (16, 1803140), (20, 1442512), (32, 901570), (40, 721256), (64, 450785), (80, 360628), (89, 324160), (160, 180314), (178, 162080), (320, 90157), (356, 81040), (445, 64832), (712, 40520), (890, 32416), (1013, 28480), (1424, 20260), (1780, 16208), (2026, 14240), (2848, 10130), (3560, 8104), (4052, 7120), (5065, 5696)]