11908840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 28848960

約数和(自身を除く): 16940120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 211, 332, 340, 415, 422, 664, 680, 830, 844, 1055, 1411, 1660, 1688, 2110, 2822, 3320, 3587, 4220, 5644, 7055, 7174, 8440, 11288, 14110, 14348, 17513, 17935, 28220, 28696, 35026, 35870, 56440, 70052, 71740, 87565, 140104, 143480, 175130, 297721, 350260, 595442, 700520, 1190884, 1488605, 2381768, 2977210, 5954420, 11908840]

約数ペア:

[(1, 11908840), (2, 5954420), (4, 2977210), (5, 2381768), (8, 1488605), (10, 1190884), (17, 700520), (20, 595442), (34, 350260), (40, 297721), (68, 175130), (83, 143480), (85, 140104), (136, 87565), (166, 71740), (170, 70052), (211, 56440), (332, 35870), (340, 35026), (415, 28696), (422, 28220), (664, 17935), (680, 17513), (830, 14348), (844, 14110), (1055, 11288), (1411, 8440), (1660, 7174), (1688, 7055), (2110, 5644), (2822, 4220), (3320, 3587)]