2178040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3203}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 5190480

約数和(自身を除く): 3012440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 3203, 6406, 12812, 16015, 25624, 32030, 54451, 64060, 108902, 128120, 217804, 272255, 435608, 544510, 1089020, 2178040]

約数ペア:

[(1, 2178040), (2, 1089020), (4, 544510), (5, 435608), (8, 272255), (10, 217804), (17, 128120), (20, 108902), (34, 64060), (40, 54451), (68, 32030), (85, 25624), (136, 16015), (170, 12812), (340, 6406), (680, 3203)]