55207900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1619}}^1$

素因数の和:1675

約数の個数: 72

約数和(自身を含む): 134991360

約数和(自身を除く): 79783460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 124, 155, 220, 275, 310, 341, 550, 620, 682, 775, 1100, 1364, 1550, 1619, 1705, 3100, 3238, 3410, 6476, 6820, 8095, 8525, 16190, 17050, 17809, 32380, 34100, 35618, 40475, 50189, 71236, 80950, 89045, 100378, 161900, 178090, 200756, 250945, 356180, 445225, 501890, 552079, 890450, 1003780, 1104158, 1254725, 1780900, 2208316, 2509450, 2760395, 5018900, 5520790, 11041580, 13801975, 27603950, 55207900]

約数ペア:

[(1, 55207900), (2, 27603950), (4, 13801975), (5, 11041580), (10, 5520790), (11, 5018900), (20, 2760395), (22, 2509450), (25, 2208316), (31, 1780900), (44, 1254725), (50, 1104158), (55, 1003780), (62, 890450), (100, 552079), (110, 501890), (124, 445225), (155, 356180), (220, 250945), (275, 200756), (310, 178090), (341, 161900), (550, 100378), (620, 89045), (682, 80950), (775, 71236), (1100, 50189), (1364, 40475), (1550, 35618), (1619, 34100), (1705, 32380), (3100, 17809), (3238, 17050), (3410, 16190), (6476, 8525), (6820, 8095)]