13049480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 30769200

約数和(自身を除く): 17719720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 109, 146, 164, 205, 218, 292, 328, 365, 410, 436, 545, 584, 730, 820, 872, 1090, 1460, 1640, 2180, 2920, 2993, 4360, 4469, 5986, 7957, 8938, 11972, 14965, 15914, 17876, 22345, 23944, 29930, 31828, 35752, 39785, 44690, 59860, 63656, 79570, 89380, 119720, 159140, 178760, 318280, 326237, 652474, 1304948, 1631185, 2609896, 3262370, 6524740, 13049480]

約数ペア:

[(1, 13049480), (2, 6524740), (4, 3262370), (5, 2609896), (8, 1631185), (10, 1304948), (20, 652474), (40, 326237), (41, 318280), (73, 178760), (82, 159140), (109, 119720), (146, 89380), (164, 79570), (205, 63656), (218, 59860), (292, 44690), (328, 39785), (365, 35752), (410, 31828), (436, 29930), (545, 23944), (584, 22345), (730, 17876), (820, 15914), (872, 14965), (1090, 11972), (1460, 8938), (1640, 7957), (2180, 5986), (2920, 4469), (2993, 4360)]