64628320

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5113}}^1$

素因数の和:5207

約数の個数: 48

約数和(自身を含む): 154647360

約数和(自身を除く): 90019040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 5113, 6320, 10226, 12640, 20452, 25565, 40904, 51130, 81808, 102260, 163616, 204520, 403927, 409040, 807854, 818080, 1615708, 2019635, 3231416, 4039270, 6462832, 8078540, 12925664, 16157080, 32314160, 64628320]

約数ペア:

[(1, 64628320), (2, 32314160), (4, 16157080), (5, 12925664), (8, 8078540), (10, 6462832), (16, 4039270), (20, 3231416), (32, 2019635), (40, 1615708), (79, 818080), (80, 807854), (158, 409040), (160, 403927), (316, 204520), (395, 163616), (632, 102260), (790, 81808), (1264, 51130), (1580, 40904), (2528, 25565), (3160, 20452), (5113, 12640), (6320, 10226)]