27811960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2092

約数の個数: 64

約数和(自身を含む): 70502400

約数和(自身を除く): 42690440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2039, 2728, 3410, 4078, 6820, 8156, 10195, 13640, 16312, 20390, 22429, 40780, 44858, 63209, 81560, 89716, 112145, 126418, 179432, 224290, 252836, 316045, 448580, 505672, 632090, 695299, 897160, 1264180, 1390598, 2528360, 2781196, 3476495, 5562392, 6952990, 13905980, 27811960]

約数ペア:

[(1, 27811960), (2, 13905980), (4, 6952990), (5, 5562392), (8, 3476495), (10, 2781196), (11, 2528360), (20, 1390598), (22, 1264180), (31, 897160), (40, 695299), (44, 632090), (55, 505672), (62, 448580), (88, 316045), (110, 252836), (124, 224290), (155, 179432), (220, 126418), (248, 112145), (310, 89716), (341, 81560), (440, 63209), (620, 44858), (682, 40780), (1240, 22429), (1364, 20390), (1705, 16312), (2039, 13640), (2728, 10195), (3410, 8156), (4078, 6820)]