25511202160

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{509}}^1\times {\mathrm{6203}}^1$

素因数の和:6826

約数の個数: 80

約数和(自身を含む): 60028166880

約数和(自身を除く): 34516964720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 509, 808, 1010, 1018, 1616, 2020, 2036, 2545, 4040, 4072, 5090, 6203, 8080, 8144, 10180, 12406, 20360, 24812, 31015, 40720, 49624, 51409, 62030, 99248, 102818, 124060, 205636, 248120, 257045, 411272, 496240, 514090, 626503, 822544, 1028180, 1253006, 2056360, 2506012, 3132515, 3157327, 4112720, 5012024, 6265030, 6314654, 10024048, 12530060, 12629308, 15786635, 25060120, 25258616, 31573270, 50120240, 50517232, 63146540, 126293080, 252586160, 318890027, 637780054, 1275560108, 1594450135, 2551120216, 3188900270, 5102240432, 6377800540, 12755601080, 25511202160]

約数ペア:

[(1, 25511202160), (2, 12755601080), (4, 6377800540), (5, 5102240432), (8, 3188900270), (10, 2551120216), (16, 1594450135), (20, 1275560108), (40, 637780054), (80, 318890027), (101, 252586160), (202, 126293080), (404, 63146540), (505, 50517232), (509, 50120240), (808, 31573270), (1010, 25258616), (1018, 25060120), (1616, 15786635), (2020, 12629308), (2036, 12530060), (2545, 10024048), (4040, 6314654), (4072, 6265030), (5090, 5012024), (6203, 4112720), (8080, 3157327), (8144, 3132515), (10180, 2506012), (12406, 2056360), (20360, 1253006), (24812, 1028180), (31015, 822544), (40720, 626503), (49624, 514090), (51409, 496240), (62030, 411272), (99248, 257045), (102818, 248120), (124060, 205636)]