12795440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 34575168

約数和(自身を除く): 21779728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 313, 365, 511, 560, 584, 626, 730, 1022, 1168, 1252, 1460, 1565, 2044, 2191, 2504, 2555, 2920, 3130, 4088, 4382, 5008, 5110, 5840, 6260, 8176, 8764, 10220, 10955, 12520, 17528, 20440, 21910, 22849, 25040, 35056, 40880, 43820, 45698, 87640, 91396, 114245, 159943, 175280, 182792, 228490, 319886, 365584, 456980, 639772, 799715, 913960, 1279544, 1599430, 1827920, 2559088, 3198860, 6397720, 12795440]

約数ペア:

[(1, 12795440), (2, 6397720), (4, 3198860), (5, 2559088), (7, 1827920), (8, 1599430), (10, 1279544), (14, 913960), (16, 799715), (20, 639772), (28, 456980), (35, 365584), (40, 319886), (56, 228490), (70, 182792), (73, 175280), (80, 159943), (112, 114245), (140, 91396), (146, 87640), (280, 45698), (292, 43820), (313, 40880), (365, 35056), (511, 25040), (560, 22849), (584, 21910), (626, 20440), (730, 17528), (1022, 12520), (1168, 10955), (1252, 10220), (1460, 8764), (1565, 8176), (2044, 6260), (2191, 5840), (2504, 5110), (2555, 5008), (2920, 4382), (3130, 4088)]