80555020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6323}}^1$

素因数の和:6359

約数の個数: 72

約数和(自身を含む): 211955184

約数和(自身を除く): 131400164

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6323, 6370, 12646, 12740, 25292, 31615, 44261, 63230, 82199, 88522, 126460, 164398, 177044, 221305, 309827, 328796, 410995, 442610, 575393, 619654, 821990, 885220, 1150786, 1239308, 1549135, 1643980, 2301572, 2876965, 3098270, 4027751, 5753930, 6196540, 8055502, 11507860, 16111004, 20138755, 40277510, 80555020]

約数ペア:

[(1, 80555020), (2, 40277510), (4, 20138755), (5, 16111004), (7, 11507860), (10, 8055502), (13, 6196540), (14, 5753930), (20, 4027751), (26, 3098270), (28, 2876965), (35, 2301572), (49, 1643980), (52, 1549135), (65, 1239308), (70, 1150786), (91, 885220), (98, 821990), (130, 619654), (140, 575393), (182, 442610), (196, 410995), (245, 328796), (260, 309827), (364, 221305), (455, 177044), (490, 164398), (637, 126460), (910, 88522), (980, 82199), (1274, 63230), (1820, 44261), (2548, 31615), (3185, 25292), (6323, 12740), (6370, 12646)]