77888240

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4289}}^1$

素因数の和:4529

約数の個数: 40

約数和(自身を含む): 181930320

約数和(自身を除く): 104042080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4289, 4540, 8578, 9080, 17156, 18160, 21445, 34312, 42890, 68624, 85780, 171560, 343120, 973603, 1947206, 3894412, 4868015, 7788824, 9736030, 15577648, 19472060, 38944120, 77888240]

約数ペア:

[(1, 77888240), (2, 38944120), (4, 19472060), (5, 15577648), (8, 9736030), (10, 7788824), (16, 4868015), (20, 3894412), (40, 1947206), (80, 973603), (227, 343120), (454, 171560), (908, 85780), (1135, 68624), (1816, 42890), (2270, 34312), (3632, 21445), (4289, 18160), (4540, 17156), (8578, 9080)]