29680720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9049}}^1$

素因数の和:9103

約数の個数: 40

約数和(自身を含む): 70698600

約数和(自身を除く): 41017880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 9049, 18098, 36196, 45245, 72392, 90490, 144784, 180980, 361960, 371009, 723920, 742018, 1484036, 1855045, 2968072, 3710090, 5936144, 7420180, 14840360, 29680720]

約数ペア:

[(1, 29680720), (2, 14840360), (4, 7420180), (5, 5936144), (8, 3710090), (10, 2968072), (16, 1855045), (20, 1484036), (40, 742018), (41, 723920), (80, 371009), (82, 361960), (164, 180980), (205, 144784), (328, 90490), (410, 72392), (656, 45245), (820, 36196), (1640, 18098), (3280, 9049)]