4125520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 11249280

約数和(自身を除く): 7123760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 139, 140, 212, 265, 278, 280, 371, 424, 530, 556, 560, 695, 742, 848, 973, 1060, 1112, 1390, 1484, 1855, 1946, 2120, 2224, 2780, 2968, 3710, 3892, 4240, 4865, 5560, 5936, 7367, 7420, 7784, 9730, 11120, 14734, 14840, 15568, 19460, 29468, 29680, 36835, 38920, 51569, 58936, 73670, 77840, 103138, 117872, 147340, 206276, 257845, 294680, 412552, 515690, 589360, 825104, 1031380, 2062760, 4125520]

約数ペア:

[(1, 4125520), (2, 2062760), (4, 1031380), (5, 825104), (7, 589360), (8, 515690), (10, 412552), (14, 294680), (16, 257845), (20, 206276), (28, 147340), (35, 117872), (40, 103138), (53, 77840), (56, 73670), (70, 58936), (80, 51569), (106, 38920), (112, 36835), (139, 29680), (140, 29468), (212, 19460), (265, 15568), (278, 14840), (280, 14734), (371, 11120), (424, 9730), (530, 7784), (556, 7420), (560, 7367), (695, 5936), (742, 5560), (848, 4865), (973, 4240), (1060, 3892), (1112, 3710), (1390, 2968), (1484, 2780), (1855, 2224), (1946, 2120)]