4128880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 11231424

約数和(自身を除く): 7102544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 101, 112, 140, 146, 202, 280, 292, 365, 404, 505, 511, 560, 584, 707, 730, 808, 1010, 1022, 1168, 1414, 1460, 1616, 2020, 2044, 2555, 2828, 2920, 3535, 4040, 4088, 5110, 5656, 5840, 7070, 7373, 8080, 8176, 10220, 11312, 14140, 14746, 20440, 28280, 29492, 36865, 40880, 51611, 56560, 58984, 73730, 103222, 117968, 147460, 206444, 258055, 294920, 412888, 516110, 589840, 825776, 1032220, 2064440, 4128880]

約数ペア:

[(1, 4128880), (2, 2064440), (4, 1032220), (5, 825776), (7, 589840), (8, 516110), (10, 412888), (14, 294920), (16, 258055), (20, 206444), (28, 147460), (35, 117968), (40, 103222), (56, 73730), (70, 58984), (73, 56560), (80, 51611), (101, 40880), (112, 36865), (140, 29492), (146, 28280), (202, 20440), (280, 14746), (292, 14140), (365, 11312), (404, 10220), (505, 8176), (511, 8080), (560, 7373), (584, 7070), (707, 5840), (730, 5656), (808, 5110), (1010, 4088), (1022, 4040), (1168, 3535), (1414, 2920), (1460, 2828), (1616, 2555), (2020, 2044)]