55183720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 129392640

約数和(自身を除く): 74208920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 191, 233, 248, 310, 382, 466, 620, 764, 932, 955, 1165, 1240, 1528, 1864, 1910, 2330, 3820, 4660, 5921, 7223, 7640, 9320, 11842, 14446, 23684, 28892, 29605, 36115, 44503, 47368, 57784, 59210, 72230, 89006, 118420, 144460, 178012, 222515, 236840, 288920, 356024, 445030, 890060, 1379593, 1780120, 2759186, 5518372, 6897965, 11036744, 13795930, 27591860, 55183720]

約数ペア:

[(1, 55183720), (2, 27591860), (4, 13795930), (5, 11036744), (8, 6897965), (10, 5518372), (20, 2759186), (31, 1780120), (40, 1379593), (62, 890060), (124, 445030), (155, 356024), (191, 288920), (233, 236840), (248, 222515), (310, 178012), (382, 144460), (466, 118420), (620, 89006), (764, 72230), (932, 59210), (955, 57784), (1165, 47368), (1240, 44503), (1528, 36115), (1864, 29605), (1910, 28892), (2330, 23684), (3820, 14446), (4660, 11842), (5921, 9320), (7223, 7640)]