8401661.00000000

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21187}}^1$

素因数の和:21218

約数の個数: 64

約数和(自身を含む): 213575040

約数和(自身を除く): 136454360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 21187, 42374, 84748, 105935, 148309, 169496, 211870, 275431, 296618, 423740, 550862, 593236, 741545, 847480, 1101724, 1186472, 1377155, 1483090, 1928017, 2203448, 2754310, 2966180, 3856034, 5508620, 5932360, 7712068, 9640085, 11017240, 15424136, 19280170, 38560340, 77120680]

約数ペア:

[(1, 77120680), (2, 38560340), (4, 19280170), (5, 15424136), (7, 11017240), (8, 9640085), (10, 7712068), (13, 5932360), (14, 5508620), (20, 3856034), (26, 2966180), (28, 2754310), (35, 2203448), (40, 1928017), (52, 1483090), (56, 1377155), (65, 1186472), (70, 1101724), (91, 847480), (104, 741545), (130, 593236), (140, 550862), (182, 423740), (260, 296618), (280, 275431), (364, 211870), (455, 169496), (520, 148309), (728, 105935), (910, 84748), (1820, 42374), (3640, 21187)]