2045760020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{32237}}^1$

素因数の和:32432

約数の個数: 48

約数和(自身を含む): 4549426560

約数和(自身を除く): 2503666540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 835, 1670, 3173, 3340, 6346, 12692, 15865, 31730, 32237, 63460, 64474, 128948, 161185, 322370, 612503, 644740, 1225006, 2450012, 3062515, 5383579, 6125030, 10767158, 12250060, 21534316, 26917895, 53835790, 102288001, 107671580, 204576002, 409152004, 511440005, 1022880010, 2045760020]

約数ペア:

[(1, 2045760020), (2, 1022880010), (4, 511440005), (5, 409152004), (10, 204576002), (19, 107671580), (20, 102288001), (38, 53835790), (76, 26917895), (95, 21534316), (167, 12250060), (190, 10767158), (334, 6125030), (380, 5383579), (668, 3062515), (835, 2450012), (1670, 1225006), (3173, 644740), (3340, 612503), (6346, 322370), (12692, 161185), (15865, 128948), (31730, 64474), (32237, 63460)]