12984040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 31080960

約数和(自身を除く): 18096920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 283, 296, 310, 370, 566, 620, 740, 1132, 1147, 1240, 1415, 1480, 2264, 2294, 2830, 4588, 5660, 5735, 8773, 9176, 10471, 11320, 11470, 17546, 20942, 22940, 35092, 41884, 43865, 45880, 52355, 70184, 83768, 87730, 104710, 175460, 209420, 324601, 350920, 418840, 649202, 1298404, 1623005, 2596808, 3246010, 6492020, 12984040]

約数ペア:

[(1, 12984040), (2, 6492020), (4, 3246010), (5, 2596808), (8, 1623005), (10, 1298404), (20, 649202), (31, 418840), (37, 350920), (40, 324601), (62, 209420), (74, 175460), (124, 104710), (148, 87730), (155, 83768), (185, 70184), (248, 52355), (283, 45880), (296, 43865), (310, 41884), (370, 35092), (566, 22940), (620, 20942), (740, 17546), (1132, 11470), (1147, 11320), (1240, 10471), (1415, 9176), (1480, 8773), (2264, 5735), (2294, 5660), (2830, 4588)]