13318840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 19029320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 467, 620, 713, 920, 934, 1240, 1426, 1868, 2335, 2852, 3565, 3736, 4670, 5704, 7130, 9340, 10741, 14260, 14477, 18680, 21482, 28520, 28954, 42964, 53705, 57908, 72385, 85928, 107410, 115816, 144770, 214820, 289540, 332971, 429640, 579080, 665942, 1331884, 1664855, 2663768, 3329710, 6659420, 13318840]

約数ペア:

[(1, 13318840), (2, 6659420), (4, 3329710), (5, 2663768), (8, 1664855), (10, 1331884), (20, 665942), (23, 579080), (31, 429640), (40, 332971), (46, 289540), (62, 214820), (92, 144770), (115, 115816), (124, 107410), (155, 85928), (184, 72385), (230, 57908), (248, 53705), (310, 42964), (460, 28954), (467, 28520), (620, 21482), (713, 18680), (920, 14477), (934, 14260), (1240, 10741), (1426, 9340), (1868, 7130), (2335, 5704), (2852, 4670), (3565, 3736)]