13558520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 32762880

約数和(自身を除く): 19204360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 157, 170, 254, 314, 340, 508, 628, 635, 680, 785, 1016, 1256, 1270, 1570, 2159, 2540, 2669, 3140, 4318, 5080, 5338, 6280, 8636, 10676, 10795, 13345, 17272, 19939, 21352, 21590, 26690, 39878, 43180, 53380, 79756, 86360, 99695, 106760, 159512, 199390, 338963, 398780, 677926, 797560, 1355852, 1694815, 2711704, 3389630, 6779260, 13558520]

約数ペア:

[(1, 13558520), (2, 6779260), (4, 3389630), (5, 2711704), (8, 1694815), (10, 1355852), (17, 797560), (20, 677926), (34, 398780), (40, 338963), (68, 199390), (85, 159512), (127, 106760), (136, 99695), (157, 86360), (170, 79756), (254, 53380), (314, 43180), (340, 39878), (508, 26690), (628, 21590), (635, 21352), (680, 19939), (785, 17272), (1016, 13345), (1256, 10795), (1270, 10676), (1570, 8636), (2159, 6280), (2540, 5338), (2669, 5080), (3140, 4318)]