40720130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 81846072

約数和(自身を除く): 41125942

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 121, 146, 242, 365, 461, 605, 730, 803, 922, 1210, 1606, 2305, 4015, 4610, 5071, 8030, 8833, 10142, 17666, 25355, 33653, 44165, 50710, 55781, 67306, 88330, 111562, 168265, 278905, 336530, 370183, 557810, 740366, 1850915, 3701830, 4072013, 8144026, 20360065, 40720130]

約数ペア:

[(1, 40720130), (2, 20360065), (5, 8144026), (10, 4072013), (11, 3701830), (22, 1850915), (55, 740366), (73, 557810), (110, 370183), (121, 336530), (146, 278905), (242, 168265), (365, 111562), (461, 88330), (605, 67306), (730, 55781), (803, 50710), (922, 44165), (1210, 33653), (1606, 25355), (2305, 17666), (4015, 10142), (4610, 8833), (5071, 8030)]