55380760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 128537280

約数和(自身を除く): 73156520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 151, 173, 212, 265, 302, 346, 424, 530, 604, 692, 755, 865, 1060, 1208, 1384, 1510, 1730, 2120, 3020, 3460, 6040, 6920, 8003, 9169, 16006, 18338, 26123, 32012, 36676, 40015, 45845, 52246, 64024, 73352, 80030, 91690, 104492, 130615, 160060, 183380, 208984, 261230, 320120, 366760, 522460, 1044920, 1384519, 2769038, 5538076, 6922595, 11076152, 13845190, 27690380, 55380760]

約数ペア:

[(1, 55380760), (2, 27690380), (4, 13845190), (5, 11076152), (8, 6922595), (10, 5538076), (20, 2769038), (40, 1384519), (53, 1044920), (106, 522460), (151, 366760), (173, 320120), (212, 261230), (265, 208984), (302, 183380), (346, 160060), (424, 130615), (530, 104492), (604, 91690), (692, 80030), (755, 73352), (865, 64024), (1060, 52246), (1208, 45845), (1384, 40015), (1510, 36676), (1730, 32012), (2120, 26123), (3020, 18338), (3460, 16006), (6040, 9169), (6920, 8003)]