31441280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3779}}^1$

素因数の和:3811

約数の個数: 64

約数和(自身を含む): 80967600

約数和(自身を除く): 49526320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 3779, 4160, 7558, 8320, 15116, 18895, 30232, 37790, 49127, 60464, 75580, 98254, 120928, 151160, 196508, 241856, 245635, 302320, 393016, 483712, 491270, 604640, 786032, 982540, 1209280, 1572064, 1965080, 2418560, 3144128, 3930160, 6288256, 7860320, 15720640, 31441280]

約数ペア:

[(1, 31441280), (2, 15720640), (4, 7860320), (5, 6288256), (8, 3930160), (10, 3144128), (13, 2418560), (16, 1965080), (20, 1572064), (26, 1209280), (32, 982540), (40, 786032), (52, 604640), (64, 491270), (65, 483712), (80, 393016), (104, 302320), (128, 245635), (130, 241856), (160, 196508), (208, 151160), (260, 120928), (320, 98254), (416, 75580), (520, 60464), (640, 49127), (832, 37790), (1040, 30232), (1664, 18895), (2080, 15116), (3779, 8320), (4160, 7558)]