49105520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{36107}}^1$

素因数の和:36137

約数の個数: 40

約数和(自身を含む): 120889584

約数和(自身を除く): 71784064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 36107, 72214, 144428, 180535, 288856, 361070, 577712, 613819, 722140, 1227638, 1444280, 2455276, 2888560, 3069095, 4910552, 6138190, 9821104, 12276380, 24552760, 49105520]

約数ペア:

[(1, 49105520), (2, 24552760), (4, 12276380), (5, 9821104), (8, 6138190), (10, 4910552), (16, 3069095), (17, 2888560), (20, 2455276), (34, 1444280), (40, 1227638), (68, 722140), (80, 613819), (85, 577712), (136, 361070), (170, 288856), (272, 180535), (340, 144428), (680, 72214), (1360, 36107)]