25619888

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 60186624

約数和(自身を除く): 34566736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 47, 56, 62, 94, 112, 124, 157, 188, 217, 248, 314, 329, 376, 434, 496, 628, 658, 752, 868, 1099, 1256, 1316, 1457, 1736, 2198, 2512, 2632, 2914, 3472, 4396, 4867, 5264, 5828, 7379, 8792, 9734, 10199, 11656, 14758, 17584, 19468, 20398, 23312, 29516, 34069, 38936, 40796, 51653, 59032, 68138, 77872, 81592, 103306, 118064, 136276, 163184, 206612, 228749, 272552, 413224, 457498, 545104, 826448, 914996, 1601243, 1829992, 3202486, 3659984, 6404972, 12809944, 25619888]

約数ペア:

[(1, 25619888), (2, 12809944), (4, 6404972), (7, 3659984), (8, 3202486), (14, 1829992), (16, 1601243), (28, 914996), (31, 826448), (47, 545104), (56, 457498), (62, 413224), (94, 272552), (112, 228749), (124, 206612), (157, 163184), (188, 136276), (217, 118064), (248, 103306), (314, 81592), (329, 77872), (376, 68138), (434, 59032), (496, 51653), (628, 40796), (658, 38936), (752, 34069), (868, 29516), (1099, 23312), (1256, 20398), (1316, 19468), (1457, 17584), (1736, 14758), (2198, 11656), (2512, 10199), (2632, 9734), (2914, 8792), (3472, 7379), (4396, 5828), (4867, 5264)]