2501887340

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{3607}}^1$

素因数の和:4134

約数の個数: 48

約数和(自身を含む): 5334067200

約数和(自身を除く): 2832179860

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 439, 790, 878, 1580, 1756, 2195, 3607, 4390, 7214, 8780, 14428, 18035, 34681, 36070, 69362, 72140, 138724, 173405, 284953, 346810, 569906, 693620, 1139812, 1424765, 1583473, 2849530, 3166946, 5699060, 6333892, 7917365, 15834730, 31669460, 125094367, 250188734, 500377468, 625471835, 1250943670, 2501887340]

約数ペア:

[(1, 2501887340), (2, 1250943670), (4, 625471835), (5, 500377468), (10, 250188734), (20, 125094367), (79, 31669460), (158, 15834730), (316, 7917365), (395, 6333892), (439, 5699060), (790, 3166946), (878, 2849530), (1580, 1583473), (1756, 1424765), (2195, 1139812), (3607, 693620), (4390, 569906), (7214, 346810), (8780, 284953), (14428, 173405), (18035, 138724), (34681, 72140), (36070, 69362)]