40485770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 85034880

約数和(自身を除く): 44549110

約数列:

[1, 2, 5, 10, 13, 19, 26, 37, 38, 65, 74, 95, 130, 185, 190, 247, 370, 443, 481, 494, 703, 886, 962, 1235, 1406, 2215, 2405, 2470, 3515, 4430, 4810, 5759, 7030, 8417, 9139, 11518, 16391, 16834, 18278, 28795, 32782, 42085, 45695, 57590, 81955, 84170, 91390, 109421, 163910, 213083, 218842, 311429, 426166, 547105, 622858, 1065415, 1094210, 1557145, 2130830, 3114290, 4048577, 8097154, 20242885, 40485770]

約数ペア:

[(1, 40485770), (2, 20242885), (5, 8097154), (10, 4048577), (13, 3114290), (19, 2130830), (26, 1557145), (37, 1094210), (38, 1065415), (65, 622858), (74, 547105), (95, 426166), (130, 311429), (185, 218842), (190, 213083), (247, 163910), (370, 109421), (443, 91390), (481, 84170), (494, 81955), (703, 57590), (886, 45695), (962, 42085), (1235, 32782), (1406, 28795), (2215, 18278), (2405, 16834), (2470, 16391), (3515, 11518), (4430, 9139), (4810, 8417), (5759, 7030)]