4356080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3203}}^1$

素因数の和:3233

約数の個数: 40

約数和(自身を含む): 10726992

約数和(自身を除く): 6370912

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 3203, 6406, 12812, 16015, 25624, 32030, 51248, 54451, 64060, 108902, 128120, 217804, 256240, 272255, 435608, 544510, 871216, 1089020, 2178040, 4356080]

約数ペア:

[(1, 4356080), (2, 2178040), (4, 1089020), (5, 871216), (8, 544510), (10, 435608), (16, 272255), (17, 256240), (20, 217804), (34, 128120), (40, 108902), (68, 64060), (80, 54451), (85, 51248), (136, 32030), (170, 25624), (272, 16015), (340, 12812), (680, 6406), (1360, 3203)]