17996867720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1116431}}^1$

素因数の和:1116486

約数の個数: 64

約数和(自身を含む): 45014538240

約数和(自身を除く): 27017670520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 1116431, 2232862, 4465724, 5582155, 8931448, 11164310, 14513603, 22328620, 29027206, 34609361, 44657240, 58054412, 69218722, 72568015, 116108824, 138437444, 145136030, 173046805, 276874888, 290272060, 346093610, 449921693, 580544120, 692187220, 899843386, 1384374440, 1799686772, 2249608465, 3599373544, 4499216930, 8998433860, 17996867720]

約数ペア:

[(1, 17996867720), (2, 8998433860), (4, 4499216930), (5, 3599373544), (8, 2249608465), (10, 1799686772), (13, 1384374440), (20, 899843386), (26, 692187220), (31, 580544120), (40, 449921693), (52, 346093610), (62, 290272060), (65, 276874888), (104, 173046805), (124, 145136030), (130, 138437444), (155, 116108824), (248, 72568015), (260, 69218722), (310, 58054412), (403, 44657240), (520, 34609361), (620, 29027206), (806, 22328620), (1240, 14513603), (1612, 11164310), (2015, 8931448), (3224, 5582155), (4030, 4465724), (8060, 2232862), (16120, 1116431)]