25968080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 64233984

約数和(自身を除く): 38265904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 283, 296, 310, 370, 496, 566, 592, 620, 740, 1132, 1147, 1240, 1415, 1480, 2264, 2294, 2480, 2830, 2960, 4528, 4588, 5660, 5735, 8773, 9176, 10471, 11320, 11470, 17546, 18352, 20942, 22640, 22940, 35092, 41884, 43865, 45880, 52355, 70184, 83768, 87730, 91760, 104710, 140368, 167536, 175460, 209420, 324601, 350920, 418840, 649202, 701840, 837680, 1298404, 1623005, 2596808, 3246010, 5193616, 6492020, 12984040, 25968080]

約数ペア:

[(1, 25968080), (2, 12984040), (4, 6492020), (5, 5193616), (8, 3246010), (10, 2596808), (16, 1623005), (20, 1298404), (31, 837680), (37, 701840), (40, 649202), (62, 418840), (74, 350920), (80, 324601), (124, 209420), (148, 175460), (155, 167536), (185, 140368), (248, 104710), (283, 91760), (296, 87730), (310, 83768), (370, 70184), (496, 52355), (566, 45880), (592, 43865), (620, 41884), (740, 35092), (1132, 22940), (1147, 22640), (1240, 20942), (1415, 18352), (1480, 17546), (2264, 11470), (2294, 11320), (2480, 10471), (2830, 9176), (2960, 8773), (4528, 5735), (4588, 5660)]