31017520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22807}}^1$

素因数の和:22837

約数の個数: 40

約数和(自身を含む): 76361184

約数和(自身を除く): 45343664

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22807, 45614, 91228, 114035, 182456, 228070, 364912, 387719, 456140, 775438, 912280, 1550876, 1824560, 1938595, 3101752, 3877190, 6203504, 7754380, 15508760, 31017520]

約数ペア:

[(1, 31017520), (2, 15508760), (4, 7754380), (5, 6203504), (8, 3877190), (10, 3101752), (16, 1938595), (17, 1824560), (20, 1550876), (34, 912280), (40, 775438), (68, 456140), (80, 387719), (85, 364912), (136, 228070), (170, 182456), (272, 114035), (340, 91228), (680, 45614), (1360, 22807)]