1225880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 2905200

約数和(自身を除く): 1679320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1613, 3226, 6452, 8065, 12904, 16130, 30647, 32260, 61294, 64520, 122588, 153235, 245176, 306470, 612940, 1225880]

約数ペア:

[(1, 1225880), (2, 612940), (4, 306470), (5, 245176), (8, 153235), (10, 122588), (19, 64520), (20, 61294), (38, 32260), (40, 30647), (76, 16130), (95, 12904), (152, 8065), (190, 6452), (380, 3226), (760, 1613)]