5765420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 12700800

約数和(自身を除く): 6935380

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 89, 158, 164, 178, 205, 316, 356, 395, 410, 445, 790, 820, 890, 1580, 1780, 3239, 3649, 6478, 7031, 7298, 12956, 14062, 14596, 16195, 18245, 28124, 32390, 35155, 36490, 64780, 70310, 72980, 140620, 288271, 576542, 1153084, 1441355, 2882710, 5765420]

約数ペア:

[(1, 5765420), (2, 2882710), (4, 1441355), (5, 1153084), (10, 576542), (20, 288271), (41, 140620), (79, 72980), (82, 70310), (89, 64780), (158, 36490), (164, 35155), (178, 32390), (205, 28124), (316, 18245), (356, 16195), (395, 14596), (410, 14062), (445, 12956), (790, 7298), (820, 7031), (890, 6478), (1580, 3649), (1780, 3239)]