12239320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 29937600

約数和(自身を除く): 17698280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 439, 680, 697, 820, 878, 1394, 1640, 1756, 2195, 2788, 3485, 3512, 4390, 5576, 6970, 7463, 8780, 13940, 14926, 17560, 17999, 27880, 29852, 35998, 37315, 59704, 71996, 74630, 89995, 143992, 149260, 179990, 298520, 305983, 359980, 611966, 719960, 1223932, 1529915, 2447864, 3059830, 6119660, 12239320]

約数ペア:

[(1, 12239320), (2, 6119660), (4, 3059830), (5, 2447864), (8, 1529915), (10, 1223932), (17, 719960), (20, 611966), (34, 359980), (40, 305983), (41, 298520), (68, 179990), (82, 149260), (85, 143992), (136, 89995), (164, 74630), (170, 71996), (205, 59704), (328, 37315), (340, 35998), (410, 29852), (439, 27880), (680, 17999), (697, 17560), (820, 14926), (878, 13940), (1394, 8780), (1640, 7463), (1756, 6970), (2195, 5576), (2788, 4390), (3485, 3512)]