20142640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{35969}}^1$

素因数の和:35989

約数の個数: 40

約数和(自身を含む): 53523360

約数和(自身を除く): 33380720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 35969, 71938, 143876, 179845, 251783, 287752, 359690, 503566, 575504, 719380, 1007132, 1258915, 1438760, 2014264, 2517830, 2877520, 4028528, 5035660, 10071320, 20142640]

約数ペア:

[(1, 20142640), (2, 10071320), (4, 5035660), (5, 4028528), (7, 2877520), (8, 2517830), (10, 2014264), (14, 1438760), (16, 1258915), (20, 1007132), (28, 719380), (35, 575504), (40, 503566), (56, 359690), (70, 287752), (80, 251783), (112, 179845), (140, 143876), (280, 71938), (560, 35969)]