20160480860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{37441}}^1$

素因数の和:37591

約数の個数: 96

約数和(自身を含む): 48434971200

約数和(自身を除く): 28274490340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 109, 130, 190, 218, 247, 260, 380, 436, 494, 545, 988, 1090, 1235, 1417, 2071, 2180, 2470, 2834, 4142, 4940, 5668, 7085, 8284, 10355, 14170, 20710, 26923, 28340, 37441, 41420, 53846, 74882, 107692, 134615, 149764, 187205, 269230, 374410, 486733, 538460, 711379, 748820, 973466, 1422758, 1946932, 2433665, 2845516, 3556895, 4081069, 4867330, 7113790, 8162138, 9247927, 9734660, 14227580, 16324276, 18495854, 20405345, 36991708, 40810690, 46239635, 53053897, 77540311, 81621380, 92479270, 106107794, 155080622, 184958540, 212215588, 265269485, 310161244, 387701555, 530538970, 775403110, 1008024043, 1061077940, 1550806220, 2016048086, 4032096172, 5040120215, 10080240430, 20160480860]

約数ペア:

[(1, 20160480860), (2, 10080240430), (4, 5040120215), (5, 4032096172), (10, 2016048086), (13, 1550806220), (19, 1061077940), (20, 1008024043), (26, 775403110), (38, 530538970), (52, 387701555), (65, 310161244), (76, 265269485), (95, 212215588), (109, 184958540), (130, 155080622), (190, 106107794), (218, 92479270), (247, 81621380), (260, 77540311), (380, 53053897), (436, 46239635), (494, 40810690), (545, 36991708), (988, 20405345), (1090, 18495854), (1235, 16324276), (1417, 14227580), (2071, 9734660), (2180, 9247927), (2470, 8162138), (2834, 7113790), (4142, 4867330), (4940, 4081069), (5668, 3556895), (7085, 2845516), (8284, 2433665), (10355, 1946932), (14170, 1422758), (20710, 973466), (26923, 748820), (28340, 711379), (37441, 538460), (41420, 486733), (53846, 374410), (74882, 269230), (107692, 187205), (134615, 149764)]