66226480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 160802208

約数和(自身を除く): 94575728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 61, 80, 82, 122, 164, 205, 244, 305, 328, 331, 410, 488, 610, 656, 662, 820, 976, 1220, 1324, 1640, 1655, 2440, 2501, 2648, 3280, 3310, 4880, 5002, 5296, 6620, 10004, 12505, 13240, 13571, 20008, 20191, 25010, 26480, 27142, 40016, 40382, 50020, 54284, 67855, 80764, 100040, 100955, 108568, 135710, 161528, 200080, 201910, 217136, 271420, 323056, 403820, 542840, 807640, 827831, 1085680, 1615280, 1655662, 3311324, 4139155, 6622648, 8278310, 13245296, 16556620, 33113240, 66226480]

約数ペア:

[(1, 66226480), (2, 33113240), (4, 16556620), (5, 13245296), (8, 8278310), (10, 6622648), (16, 4139155), (20, 3311324), (40, 1655662), (41, 1615280), (61, 1085680), (80, 827831), (82, 807640), (122, 542840), (164, 403820), (205, 323056), (244, 271420), (305, 217136), (328, 201910), (331, 200080), (410, 161528), (488, 135710), (610, 108568), (656, 100955), (662, 100040), (820, 80764), (976, 67855), (1220, 54284), (1324, 50020), (1640, 40382), (1655, 40016), (2440, 27142), (2501, 26480), (2648, 25010), (3280, 20191), (3310, 20008), (4880, 13571), (5002, 13240), (5296, 12505), (6620, 10004)]