13127920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{971}}^1$

素因数の和:1010

約数の個数: 60

約数和(自身を含む): 33084936

約数和(自身を除く): 19957016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 971, 1040, 1352, 1690, 1942, 2704, 3380, 3884, 4855, 6760, 7768, 9710, 12623, 13520, 15536, 19420, 25246, 38840, 50492, 63115, 77680, 100984, 126230, 164099, 201968, 252460, 328198, 504920, 656396, 820495, 1009840, 1312792, 1640990, 2625584, 3281980, 6563960, 13127920]

約数ペア:

[(1, 13127920), (2, 6563960), (4, 3281980), (5, 2625584), (8, 1640990), (10, 1312792), (13, 1009840), (16, 820495), (20, 656396), (26, 504920), (40, 328198), (52, 252460), (65, 201968), (80, 164099), (104, 126230), (130, 100984), (169, 77680), (208, 63115), (260, 50492), (338, 38840), (520, 25246), (676, 19420), (845, 15536), (971, 13520), (1040, 12623), (1352, 9710), (1690, 7768), (1942, 6760), (2704, 4855), (3380, 3884)]