30699920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12379}}^1$

素因数の和:12423

約数の個数: 40

約数和(自身を含む): 73685760

約数和(自身を除く): 42985840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12379, 24758, 49516, 61895, 99032, 123790, 198064, 247580, 383749, 495160, 767498, 990320, 1534996, 1918745, 3069992, 3837490, 6139984, 7674980, 15349960, 30699920]

約数ペア:

[(1, 30699920), (2, 15349960), (4, 7674980), (5, 6139984), (8, 3837490), (10, 3069992), (16, 1918745), (20, 1534996), (31, 990320), (40, 767498), (62, 495160), (80, 383749), (124, 247580), (155, 198064), (248, 123790), (310, 99032), (496, 61895), (620, 49516), (1240, 24758), (2480, 12379)]