100808920120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{315857}}^1$

素因数の和:316048

約数の個数: 64

約数和(自身を含む): 231966115200

約数和(自身を除く): 131157195080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 101, 158, 202, 316, 395, 404, 505, 632, 790, 808, 1010, 1580, 2020, 3160, 4040, 7979, 15958, 31916, 39895, 63832, 79790, 159580, 315857, 319160, 631714, 1263428, 1579285, 2526856, 3158570, 6317140, 12634280, 24952703, 31901557, 49905406, 63803114, 99810812, 124763515, 127606228, 159507785, 199621624, 249527030, 255212456, 319015570, 499054060, 638031140, 998108120, 1276062280, 2520223003, 5040446006, 10080892012, 12601115015, 20161784024, 25202230030, 50404460060, 100808920120]

約数ペア:

[(1, 100808920120), (2, 50404460060), (4, 25202230030), (5, 20161784024), (8, 12601115015), (10, 10080892012), (20, 5040446006), (40, 2520223003), (79, 1276062280), (101, 998108120), (158, 638031140), (202, 499054060), (316, 319015570), (395, 255212456), (404, 249527030), (505, 199621624), (632, 159507785), (790, 127606228), (808, 124763515), (1010, 99810812), (1580, 63803114), (2020, 49905406), (3160, 31901557), (4040, 24952703), (7979, 12634280), (15958, 6317140), (31916, 3158570), (39895, 2526856), (63832, 1579285), (79790, 1263428), (159580, 631714), (315857, 319160)]