27218680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 64268640

約数和(自身を除く): 37049960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 53, 74, 106, 148, 185, 212, 265, 296, 347, 370, 424, 530, 694, 740, 1060, 1388, 1480, 1735, 1961, 2120, 2776, 3470, 3922, 6940, 7844, 9805, 12839, 13880, 15688, 18391, 19610, 25678, 36782, 39220, 51356, 64195, 73564, 78440, 91955, 102712, 128390, 147128, 183910, 256780, 367820, 513560, 680467, 735640, 1360934, 2721868, 3402335, 5443736, 6804670, 13609340, 27218680]

約数ペア:

[(1, 27218680), (2, 13609340), (4, 6804670), (5, 5443736), (8, 3402335), (10, 2721868), (20, 1360934), (37, 735640), (40, 680467), (53, 513560), (74, 367820), (106, 256780), (148, 183910), (185, 147128), (212, 128390), (265, 102712), (296, 91955), (347, 78440), (370, 73564), (424, 64195), (530, 51356), (694, 39220), (740, 36782), (1060, 25678), (1388, 19610), (1480, 18391), (1735, 15688), (1961, 13880), (2120, 12839), (2776, 9805), (3470, 7844), (3922, 6940)]