43680640

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 105423120

約数和(自身を除く): 61742480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 320, 521, 524, 640, 655, 1042, 1048, 1310, 2084, 2096, 2605, 2620, 4168, 4192, 5210, 5240, 8336, 8384, 10420, 10480, 16672, 16768, 20840, 20960, 33344, 41680, 41920, 66688, 68251, 83360, 83840, 136502, 166720, 273004, 333440, 341255, 546008, 682510, 1092016, 1365020, 2184032, 2730040, 4368064, 5460080, 8736128, 10920160, 21840320, 43680640]

約数ペア:

[(1, 43680640), (2, 21840320), (4, 10920160), (5, 8736128), (8, 5460080), (10, 4368064), (16, 2730040), (20, 2184032), (32, 1365020), (40, 1092016), (64, 682510), (80, 546008), (128, 341255), (131, 333440), (160, 273004), (262, 166720), (320, 136502), (521, 83840), (524, 83360), (640, 68251), (655, 66688), (1042, 41920), (1048, 41680), (1310, 33344), (2084, 20960), (2096, 20840), (2605, 16768), (2620, 16672), (4168, 10480), (4192, 10420), (5210, 8384), (5240, 8336)]