13949540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 32235840

約数和(自身を除く): 18286300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 389, 652, 778, 815, 1556, 1630, 1793, 1945, 3260, 3586, 3890, 4279, 7172, 7780, 8558, 8965, 17116, 17930, 21395, 35860, 42790, 63407, 85580, 126814, 253628, 317035, 634070, 697477, 1268140, 1394954, 2789908, 3487385, 6974770, 13949540]

約数ペア:

[(1, 13949540), (2, 6974770), (4, 3487385), (5, 2789908), (10, 1394954), (11, 1268140), (20, 697477), (22, 634070), (44, 317035), (55, 253628), (110, 126814), (163, 85580), (220, 63407), (326, 42790), (389, 35860), (652, 21395), (778, 17930), (815, 17116), (1556, 8965), (1630, 8558), (1793, 7780), (1945, 7172), (3260, 4279), (3586, 3890)]