20138561350

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{1021}}^1$

素因数の和:1346

約数の個数: 96

約数和(自身を含む): 39599965440

約数和(自身を除く): 19461404090

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 61, 122, 145, 223, 290, 305, 446, 610, 725, 1021, 1115, 1450, 1525, 1769, 2042, 2230, 3050, 3538, 5105, 5575, 6467, 8845, 10210, 11150, 12934, 13603, 17690, 25525, 27206, 29609, 32335, 44225, 51050, 59218, 62281, 64670, 68015, 88450, 124562, 136030, 148045, 161675, 227683, 296090, 311405, 323350, 340075, 394487, 455366, 622810, 680150, 740225, 788974, 1138415, 1480450, 1557025, 1806149, 1972435, 2276830, 3114050, 3612298, 3944870, 5692075, 6602807, 9030745, 9862175, 11384150, 13205614, 13888663, 18061490, 19724350, 27777326, 33014035, 45153725, 66028070, 69443315, 90307450, 138886630, 165070175, 330140350, 347216575, 402771227, 694433150, 805542454, 2013856135, 4027712270, 10069280675, 20138561350]

約数ペア:

[(1, 20138561350), (2, 10069280675), (5, 4027712270), (10, 2013856135), (25, 805542454), (29, 694433150), (50, 402771227), (58, 347216575), (61, 330140350), (122, 165070175), (145, 138886630), (223, 90307450), (290, 69443315), (305, 66028070), (446, 45153725), (610, 33014035), (725, 27777326), (1021, 19724350), (1115, 18061490), (1450, 13888663), (1525, 13205614), (1769, 11384150), (2042, 9862175), (2230, 9030745), (3050, 6602807), (3538, 5692075), (5105, 3944870), (5575, 3612298), (6467, 3114050), (8845, 2276830), (10210, 1972435), (11150, 1806149), (12934, 1557025), (13603, 1480450), (17690, 1138415), (25525, 788974), (27206, 740225), (29609, 680150), (32335, 622810), (44225, 455366), (51050, 394487), (59218, 340075), (62281, 323350), (64670, 311405), (68015, 296090), (88450, 227683), (124562, 161675), (136030, 148045)]