55588720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 142178400

約数和(自身を除く): 86589680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 181, 220, 349, 362, 440, 698, 724, 880, 905, 1396, 1448, 1745, 1810, 1991, 2792, 2896, 3490, 3620, 3839, 3982, 5584, 6980, 7240, 7678, 7964, 9955, 13960, 14480, 15356, 15928, 19195, 19910, 27920, 30712, 31856, 38390, 39820, 61424, 63169, 76780, 79640, 126338, 153560, 159280, 252676, 307120, 315845, 505352, 631690, 694859, 1010704, 1263380, 1389718, 2526760, 2779436, 3474295, 5053520, 5558872, 6948590, 11117744, 13897180, 27794360, 55588720]

約数ペア:

[(1, 55588720), (2, 27794360), (4, 13897180), (5, 11117744), (8, 6948590), (10, 5558872), (11, 5053520), (16, 3474295), (20, 2779436), (22, 2526760), (40, 1389718), (44, 1263380), (55, 1010704), (80, 694859), (88, 631690), (110, 505352), (176, 315845), (181, 307120), (220, 252676), (349, 159280), (362, 153560), (440, 126338), (698, 79640), (724, 76780), (880, 63169), (905, 61424), (1396, 39820), (1448, 38390), (1745, 31856), (1810, 30712), (1991, 27920), (2792, 19910), (2896, 19195), (3490, 15928), (3620, 15356), (3839, 14480), (3982, 13960), (5584, 9955), (6980, 7964), (7240, 7678)]