80019160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4159}}^1$

素因数の和:4220

約数の個数: 64

約数和(自身を含む): 199180800

約数和(自身を除く): 119161640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4159, 4810, 8318, 9620, 16636, 19240, 20795, 33272, 41590, 54067, 83180, 108134, 153883, 166360, 216268, 270335, 307766, 432536, 540670, 615532, 769415, 1081340, 1231064, 1538830, 2000479, 2162680, 3077660, 4000958, 6155320, 8001916, 10002395, 16003832, 20004790, 40009580, 80019160]

約数ペア:

[(1, 80019160), (2, 40009580), (4, 20004790), (5, 16003832), (8, 10002395), (10, 8001916), (13, 6155320), (20, 4000958), (26, 3077660), (37, 2162680), (40, 2000479), (52, 1538830), (65, 1231064), (74, 1081340), (104, 769415), (130, 615532), (148, 540670), (185, 432536), (260, 307766), (296, 270335), (370, 216268), (481, 166360), (520, 153883), (740, 108134), (962, 83180), (1480, 54067), (1924, 41590), (2405, 33272), (3848, 20795), (4159, 19240), (4810, 16636), (8318, 9620)]