40002160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:502

約数の個数: 80

約数和(自身を含む): 102529152

約数和(自身を除く): 62526992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 262, 347, 440, 524, 655, 694, 880, 1048, 1310, 1388, 1441, 1735, 2096, 2620, 2776, 2882, 3470, 3817, 5240, 5552, 5764, 6940, 7205, 7634, 10480, 11528, 13880, 14410, 15268, 19085, 23056, 27760, 28820, 30536, 38170, 45457, 57640, 61072, 76340, 90914, 115280, 152680, 181828, 227285, 305360, 363656, 454570, 500027, 727312, 909140, 1000054, 1818280, 2000108, 2500135, 3636560, 4000216, 5000270, 8000432, 10000540, 20001080, 40002160]

約数ペア:

[(1, 40002160), (2, 20001080), (4, 10000540), (5, 8000432), (8, 5000270), (10, 4000216), (11, 3636560), (16, 2500135), (20, 2000108), (22, 1818280), (40, 1000054), (44, 909140), (55, 727312), (80, 500027), (88, 454570), (110, 363656), (131, 305360), (176, 227285), (220, 181828), (262, 152680), (347, 115280), (440, 90914), (524, 76340), (655, 61072), (694, 57640), (880, 45457), (1048, 38170), (1310, 30536), (1388, 28820), (1441, 27760), (1735, 23056), (2096, 19085), (2620, 15268), (2776, 14410), (2882, 13880), (3470, 11528), (3817, 10480), (5240, 7634), (5552, 7205), (5764, 6940)]