8660020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 10391180

約数列:

[1, 2, 4, 5, 10, 20, 41, 59, 82, 118, 164, 179, 205, 236, 295, 358, 410, 590, 716, 820, 895, 1180, 1790, 2419, 3580, 4838, 7339, 9676, 10561, 12095, 14678, 21122, 24190, 29356, 36695, 42244, 48380, 52805, 73390, 105610, 146780, 211220, 433001, 866002, 1732004, 2165005, 4330010, 8660020]

約数ペア:

[(1, 8660020), (2, 4330010), (4, 2165005), (5, 1732004), (10, 866002), (20, 433001), (41, 211220), (59, 146780), (82, 105610), (118, 73390), (164, 52805), (179, 48380), (205, 42244), (236, 36695), (295, 29356), (358, 24190), (410, 21122), (590, 14678), (716, 12095), (820, 10561), (895, 9676), (1180, 7339), (1790, 4838), (2419, 3580)]