4565202020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:549

約数の個数: 96

約数和(自身を含む): 9932025600

約数和(自身を除く): 5366823580

約数列:

[1, 2, 4, 5, 10, 20, 71, 101, 139, 142, 202, 229, 278, 284, 355, 404, 458, 505, 556, 695, 710, 916, 1010, 1145, 1390, 1420, 2020, 2290, 2780, 4580, 7171, 9869, 14039, 14342, 16259, 19738, 23129, 28078, 28684, 31831, 32518, 35855, 39476, 46258, 49345, 56156, 63662, 65036, 70195, 71710, 81295, 92516, 98690, 115645, 127324, 140390, 143420, 159155, 162590, 197380, 231290, 280780, 318310, 325180, 462580, 636620, 996769, 1642159, 1993538, 2260001, 3214931, 3284318, 3987076, 4520002, 4983845, 6429862, 6568636, 8210795, 9040004, 9967690, 11300005, 12859724, 16074655, 16421590, 19935380, 22600010, 32149310, 32843180, 45200020, 64298620, 228260101, 456520202, 913040404, 1141300505, 2282601010, 4565202020]

約数ペア:

[(1, 4565202020), (2, 2282601010), (4, 1141300505), (5, 913040404), (10, 456520202), (20, 228260101), (71, 64298620), (101, 45200020), (139, 32843180), (142, 32149310), (202, 22600010), (229, 19935380), (278, 16421590), (284, 16074655), (355, 12859724), (404, 11300005), (458, 9967690), (505, 9040004), (556, 8210795), (695, 6568636), (710, 6429862), (916, 4983845), (1010, 4520002), (1145, 3987076), (1390, 3284318), (1420, 3214931), (2020, 2260001), (2290, 1993538), (2780, 1642159), (4580, 996769), (7171, 636620), (9869, 462580), (14039, 325180), (14342, 318310), (16259, 280780), (19738, 231290), (23129, 197380), (28078, 162590), (28684, 159155), (31831, 143420), (32518, 140390), (35855, 127324), (39476, 115645), (46258, 98690), (49345, 92516), (56156, 81295), (63662, 71710), (65036, 70195)]