8266420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 18860688

約数和(自身を除く): 10594268

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 593, 697, 820, 1186, 1394, 2372, 2788, 2965, 3485, 5930, 6970, 10081, 11860, 13940, 20162, 24313, 40324, 48626, 50405, 97252, 100810, 121565, 201620, 243130, 413321, 486260, 826642, 1653284, 2066605, 4133210, 8266420]

約数ペア:

[(1, 8266420), (2, 4133210), (4, 2066605), (5, 1653284), (10, 826642), (17, 486260), (20, 413321), (34, 243130), (41, 201620), (68, 121565), (82, 100810), (85, 97252), (164, 50405), (170, 48626), (205, 40324), (340, 24313), (410, 20162), (593, 13940), (697, 11860), (820, 10081), (1186, 6970), (1394, 5930), (2372, 3485), (2788, 2965)]