80449460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44203}}^1$

素因数の和:44232

約数の個数: 48

約数和(自身を含む): 207935616

約数和(自身を除く): 127486156

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44203, 88406, 176812, 221015, 309421, 442030, 574639, 618842, 884060, 1149278, 1237684, 1547105, 2298556, 2873195, 3094210, 4022473, 5746390, 6188420, 8044946, 11492780, 16089892, 20112365, 40224730, 80449460]

約数ペア:

[(1, 80449460), (2, 40224730), (4, 20112365), (5, 16089892), (7, 11492780), (10, 8044946), (13, 6188420), (14, 5746390), (20, 4022473), (26, 3094210), (28, 2873195), (35, 2298556), (52, 1547105), (65, 1237684), (70, 1149278), (91, 884060), (130, 618842), (140, 574639), (182, 442030), (260, 309421), (364, 221015), (455, 176812), (910, 88406), (1820, 44203)]