21772480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3581}}^1$

素因数の和:3617

約数の個数: 56

約数和(自身を含む): 54589680

約数和(自身を除く): 32817200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3581, 6080, 7162, 14324, 17905, 28648, 35810, 57296, 68039, 71620, 114592, 136078, 143240, 229184, 272156, 286480, 340195, 544312, 572960, 680390, 1088624, 1145920, 1360780, 2177248, 2721560, 4354496, 5443120, 10886240, 21772480]

約数ペア:

[(1, 21772480), (2, 10886240), (4, 5443120), (5, 4354496), (8, 2721560), (10, 2177248), (16, 1360780), (19, 1145920), (20, 1088624), (32, 680390), (38, 572960), (40, 544312), (64, 340195), (76, 286480), (80, 272156), (95, 229184), (152, 143240), (160, 136078), (190, 114592), (304, 71620), (320, 68039), (380, 57296), (608, 35810), (760, 28648), (1216, 17905), (1520, 14324), (3040, 7162), (3581, 6080)]