30409880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40013}}^1$

素因数の和:40043

約数の個数: 32

約数和(自身を含む): 72025200

約数和(自身を除く): 41615320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 40013, 80026, 160052, 200065, 320104, 400130, 760247, 800260, 1520494, 1600520, 3040988, 3801235, 6081976, 7602470, 15204940, 30409880]

約数ペア:

[(1, 30409880), (2, 15204940), (4, 7602470), (5, 6081976), (8, 3801235), (10, 3040988), (19, 1600520), (20, 1520494), (38, 800260), (40, 760247), (76, 400130), (95, 320104), (152, 200065), (190, 160052), (380, 80026), (760, 40013)]