22318760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 30903640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 439, 620, 820, 878, 1240, 1271, 1640, 1756, 2195, 2542, 3512, 4390, 5084, 6355, 8780, 10168, 12710, 13609, 17560, 17999, 25420, 27218, 35998, 50840, 54436, 68045, 71996, 89995, 108872, 136090, 143992, 179990, 272180, 359980, 544360, 557969, 719960, 1115938, 2231876, 2789845, 4463752, 5579690, 11159380, 22318760]

約数ペア:

[(1, 22318760), (2, 11159380), (4, 5579690), (5, 4463752), (8, 2789845), (10, 2231876), (20, 1115938), (31, 719960), (40, 557969), (41, 544360), (62, 359980), (82, 272180), (124, 179990), (155, 143992), (164, 136090), (205, 108872), (248, 89995), (310, 71996), (328, 68045), (410, 54436), (439, 50840), (620, 35998), (820, 27218), (878, 25420), (1240, 17999), (1271, 17560), (1640, 13609), (1756, 12710), (2195, 10168), (2542, 8780), (3512, 6355), (4390, 5084)]