77884840520

素因数分解:

$2^3\times 5^1\times {\mathrm{1667}}^1\times {\mathrm{1168039}}^1$

素因数の和:1169717

約数の個数: 32

約数和(自身を含む): 175346164800

約数和(自身を除く): 97461324280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1667, 3334, 6668, 8335, 13336, 16670, 33340, 66680, 1168039, 2336078, 4672156, 5840195, 9344312, 11680390, 23360780, 46721560, 1947121013, 3894242026, 7788484052, 9735605065, 15576968104, 19471210130, 38942420260, 77884840520]

約数ペア:

[(1, 77884840520), (2, 38942420260), (4, 19471210130), (5, 15576968104), (8, 9735605065), (10, 7788484052), (20, 3894242026), (40, 1947121013), (1667, 46721560), (3334, 23360780), (6668, 11680390), (8335, 9344312), (13336, 5840195), (16670, 4672156), (33340, 2336078), (66680, 1168039)]