80298820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33739}}^1$

素因数の和:33772

約数の個数: 48

約数和(自身を含む): 204059520

約数和(自身を除く): 123760700

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 33739, 67478, 134956, 168695, 236173, 337390, 472346, 573563, 674780, 944692, 1147126, 1180865, 2294252, 2361730, 2867815, 4014941, 4723460, 5735630, 8029882, 11471260, 16059764, 20074705, 40149410, 80298820]

約数ペア:

[(1, 80298820), (2, 40149410), (4, 20074705), (5, 16059764), (7, 11471260), (10, 8029882), (14, 5735630), (17, 4723460), (20, 4014941), (28, 2867815), (34, 2361730), (35, 2294252), (68, 1180865), (70, 1147126), (85, 944692), (119, 674780), (140, 573563), (170, 472346), (238, 337390), (340, 236173), (476, 168695), (595, 134956), (1190, 67478), (2380, 33739)]