88898840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 205632000

約数和(自身を除く): 116733160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 139, 236, 271, 278, 295, 472, 542, 556, 590, 695, 1084, 1112, 1180, 1355, 1390, 2168, 2360, 2710, 2780, 5420, 5560, 8201, 10840, 15989, 16402, 31978, 32804, 37669, 41005, 63956, 65608, 75338, 79945, 82010, 127912, 150676, 159890, 164020, 188345, 301352, 319780, 328040, 376690, 639560, 753380, 1506760, 2222471, 4444942, 8889884, 11112355, 17779768, 22224710, 44449420, 88898840]

約数ペア:

[(1, 88898840), (2, 44449420), (4, 22224710), (5, 17779768), (8, 11112355), (10, 8889884), (20, 4444942), (40, 2222471), (59, 1506760), (118, 753380), (139, 639560), (236, 376690), (271, 328040), (278, 319780), (295, 301352), (472, 188345), (542, 164020), (556, 159890), (590, 150676), (695, 127912), (1084, 82010), (1112, 79945), (1180, 75338), (1355, 65608), (1390, 63956), (2168, 41005), (2360, 37669), (2710, 32804), (2780, 31978), (5420, 16402), (5560, 15989), (8201, 10840)]